CVE-2026-120237

Description

A flaw has been found in ag-ui-protocol ag-ui up to 0.0.58. Affected by this issue is the function isInterruptExpired of the file sdks/typescript/packages/client/src/interrupts/index.ts of the component Interrupt expiry. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Overview

State: PUBLISHED
Assigner (CNA): VulDB
CVSS severity: MEDIUM
CVSS score: 5.3 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Effective score: 5.3 / 10 MEDIUM source: CNA overview
CWE(s): CWE-400, CWE-404
Reserved: 2026-10-31
Published: 2026-11-01 17:30 UTC
Last updated: 2026-11-01 17:30 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/120xxx/CVE-2026-120237.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-11-01 18:17:13 UTC
NVD last modified: 2026-11-01 18:17:13 UTC
NVD CVSS v3.1: 4.3 / 10 MEDIUM source: cna@vuldb.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Exploitability subscore: 2.8 / 10
Impact subscore: 1.4 / 10

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-114879
Assigner: VulDB
Published: Nov 1, 2026, 5:30:17 PM
Updated: Nov 1, 2026, 5:30:17 PM
EUVD base score (CVSS 4.0): 5.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EUVD-reported EPSS: 0.0000
Vendors: ag-ui-protocol
Products: ag-ui (0.0.50)

ag-ui (0.0.33)

ag-ui (0.0.1)

ag-ui (0.0.49)

ag-ui (0.0.15)

ag-ui (0.0.7)

ag-ui (0.0.44)

ag-ui (0.0.39)

ag-ui (0.0.57)

ag-ui (0.0.5)

ag-ui (0.0.47)

ag-ui (0.0.48)

ag-ui (0.0.43)

ag-ui (0.0.19)

ag-ui (0.0.17)

ag-ui (0.0.53)

ag-ui (0.0.37)

ag-ui (0.0.20)

ag-ui (0.0.35)

ag-ui (0.0.40)

ag-ui (0.0.30)

ag-ui (0.0.41)

ag-ui (0.0.8)

ag-ui (0.0.25)

ag-ui (0.0.13)

ag-ui (0.0.26)

ag-ui (0.0.10)

ag-ui (0.0.11)

ag-ui (0.0.29)

ag-ui (0.0.24)

ag-ui (0.0.58)

ag-ui (0.0.3)

ag-ui (0.0.12)

ag-ui (0.0.31)

ag-ui (0.0.16)

ag-ui (0.0.27)

ag-ui (0.0.18)

ag-ui (0.0.2)

ag-ui (0.0.56)

ag-ui (0.0.51)

ag-ui (0.0.21)

ag-ui (0.0.14)

ag-ui (0.0.4)

ag-ui (0.0.52)

ag-ui (0.0.9)

ag-ui (0.0.34)

ag-ui (0.0.55)

ag-ui (0.0.23)

ag-ui (0.0.42)

ag-ui (0.0.28)

ag-ui (0.0.32)

ag-ui (0.0.46)

ag-ui (0.0.45)

ag-ui (0.0.6)

ag-ui (0.0.38)

ag-ui (0.0.36)

ag-ui (0.0.22)

ag-ui (0.0.54)
Aliases: GHSA-frhv-cjfr-w99c

ENISA description: A flaw has been found in ag-ui-protocol ag-ui up to 0.0.58. Affected by this issue is the function isInterruptExpired of the file sdks/typescript/packages/client/src/interrupts/index.ts of the component Interrupt expiry. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

EUVD references (7)

Affected products (1)

Vendor	Product	Versions	Platforms
ag-ui-protocol	ag-ui	`0.0.1` (affected), `0.0.2` (affected), `0.0.3` (affected), `0.0.4` (affected), `0.0.5` (affected), `0.0.6` (affected), `0.0.7` (affected), `0.0.8` (affected), `0.0.9` (affected), `0.0.10` (affected), `0.0.11` (affected), `0.0.12` (affected), `0.0.13` (affected), `0.0.14` (affected), `0.0.15` (affected), `0.0.16` (affected), `0.0.17` (affected), `0.0.18` (affected), `0.0.19` (affected), `0.0.20` (affected), `0.0.21` (affected), `0.0.22` (affected), `0.0.23` (affected), `0.0.24` (affected), `0.0.25` (affected), `0.0.26` (affected), `0.0.27` (affected), `0.0.28` (affected), `0.0.29` (affected), `0.0.30` (affected), `0.0.31` (affected), `0.0.32` (affected), `0.0.33` (affected), `0.0.34` (affected), `0.0.35` (affected), `0.0.36` (affected), `0.0.37` (affected), `0.0.38` (affected), `0.0.39` (affected), `0.0.40` (affected), `0.0.41` (affected), `0.0.42` (affected), `0.0.43` (affected), `0.0.44` (affected), `0.0.45` (affected), `0.0.46` (affected), `0.0.47` (affected), `0.0.48` (affected), `0.0.49` (affected), `0.0.50` (affected), `0.0.51` (affected), `0.0.52` (affected), `0.0.53` (affected), `0.0.54` (affected), `0.0.55` (affected), `0.0.56` (affected), `0.0.57` (affected), `0.0.58` (affected)	—

Vendor references (7)

References embedded in the original CVE record by the assigning CNA.

VDB-429596 | ag-ui-protocol ag-ui Interrupt expiry index.ts isInterruptExpired resource consumption vdb-entrytechnical-description
VDB-429596 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
CVE-2026-120237 | CVE Analysis and Report third-party-advisory
Submit #1015179 | ag-ui-protocol ag-ui <=0.0.58 CWE-400 third-party-advisory
https://github.com/ag-ui-protocol/ag-ui/issues/2525 exploitissue-tracking
https://github.com/ag-ui-protocol/ag-ui/pull/3241 issue-trackingpatch
https://github.com/ag-ui-protocol/ag-ui/ product

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (7)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://github.com/ag-ui-protocol/ag-ui/ cna@vuldb.com
https://github.com/ag-ui-protocol/ag-ui/issues/2525 cna@vuldb.com
https://github.com/ag-ui-protocol/ag-ui/pull/3241 cna@vuldb.com
https://vuldb.com/cve/CVE-2026-120237 cna@vuldb.com
https://vuldb.com/submit/1015179 cna@vuldb.com
https://vuldb.com/vuln/429596 cna@vuldb.com
https://vuldb.com/vuln/429596/cti cna@vuldb.com

Remediations (10)

CVE Vulnerabilities 2026: Critical Flaws & Fixes Hub

web:cyberupdates365.com

Track critical CVE vulnerabilities 2026 with verified enterprise patch guides. Fix zero-days across VMware, WordPress, Windows, and cloud infrastructure.

2026-11-02 13:22 UTC
Security Advisories and Bulletins | Microsoft Learn

web:learn.microsoft.com

In this library you will find the following security documents that have been released by the Microsoft Security Response Center (MSRC). The MSRC investigates all reports of security vulnerabilities affecting Microsoft products and services, and releases these documents as part of the ongoing effort ...

2026-11-02 13:22 UTC
SAP Security Patch Day - February 2026

web:support.sap.com

SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the Support Portal and applies patches on priority to protect their SAP landscape. On 10th of February 2026 , SAP security patch day saw the release of 26 new security notes. Further, there was 1 update to ...

2026-11-02 13:22 UTC
What Is CVE Remediation in 2026? - aikido.dev

web:www.aikido.dev

None of these is a clean fix , which is why the decision on how to remediate depends on knowing what package versions are running in production and why. This post will cover how AI has accelerated CVE detection and discovery, the upgrade trap, what CVE remediation actually involves in 2026 , and how to solve the CVE remediation problem.

2026-11-02 13:22 UTC
CVE: Common Vulnerabilities and Exposures

web:www.cve.org

At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

2026-11-02 13:22 UTC
DSA-2026-467: Security Update for Dell OpenManage Enterprise ...

web:www.dell.com

Dell OpenManage Enterprise remediation is available for multiple security vulnerabilities that may be exploited by malicious users to compromise the affected system.

2026-11-02 13:22 UTC
The 8 Best Automated Vulnerability Remediation Tools in 2026

web:www.openhands.dev

Compare 8 automated vulnerability remediation tools for 2026 on fixes, prioritization, integrations, and deployment control.

2026-11-02 13:22 UTC
Oracle Critical Patch Update Advisory - July 2026

web:www.oracle.com

This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

2026-11-02 13:22 UTC
Oracle Critical Security Patch Update Advisory - September 2026

web:www.oracle.com

Prior Critical Patch Update and Critical Security Patch Update advisories should be reviewed for information regarding earlier published security patches. Refer to Critical Patch Updates, Critical Security Patch Updates, Security Alerts and Bulletins for information about Oracle Security advisories.

2026-11-02 13:22 UTC
The CVE Database: Curated Vulnerability Intelligence by Wiz | Wiz

web:www.wiz.io

Wiz's CVE Database curates CVE data to create easy-to-navigate profiles that cover the entire vulnerability timeline, exploit scenarios, and mitigation steps.

2026-11-02 13:22 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-120237.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Interrupt expiry"
          ],
          "product": "ag-ui",
          "vendor": "ag-ui-protocol",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.1"
            },
            {
              "status": "affected",
              "version": "0.0.2"
            },
            {
              "status": "affected",
              "version": "0.0.3"
            },
            {
              "status": "affected",
              "version": "0.0.4"
            },
            {
              "status": "affected",
              "version": "0.0.5"
            },
            {
              "status": "affected",
              "version": "0.0.6"
            },
            {
              "status": "affected",
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            },
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            },
            {
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            },
            {
              "status": "affected",
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            },
            {
              "status": "affected",
              "version": "0.0.14"
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            {
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            {
              "status": "affected",
              "version": "0.0.21"
            },
            {
              "status": "affected",
              "version": "0.0.22"
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            },
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            },
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            },
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              "status": "affected",
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            },
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              "version": "0.0.55"
            },
            {
              "status": "affected",
              "version": "0.0.56"
            },
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              "status": "affected",
              "version": "0.0.57"
            },
            {
              "status": "affected",
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            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "ez-lbz (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw has been found in ag-ui-protocol ag-ui up to 0.0.58. Affected by this issue is the function isInterruptExpired of the file sdks/typescript/packages/client/src/interrupts/index.ts of the component Interrupt expiry. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C",
            "version": "3.1"
          }
        },
        {
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          }
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          "cvssV2_0": {
            "baseScore": 4,
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            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "Denial of Service",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-429596 | ag-ui-protocol ag-ui Interrupt expiry index.ts isInterruptExpired resource consumption",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/429596"
        },
        {
          "name": "VDB-429596 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/429596/cti"
        },
        {
          "name": "CVE-2026-120237 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-120237"
        },
        {
          "name": "Submit #1015179 | ag-ui-protocol ag-ui <=0.0.58 CWE-400",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/1015179"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/ag-ui-protocol/ag-ui/issues/2525"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/ag-ui-protocol/ag-ui/pull/3241"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/ag-ui-protocol/ag-ui/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-10-31T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-10-31T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-10-31T21:16:15.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "ag-ui-protocol ag-ui Interrupt expiry index.ts isInterruptExpired resource consumption",
      "x_generator": [
        "VulDB PVTS v202611"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-120237",
    "datePublished": "2026-11-01T17:30:17.707Z",
    "dateReserved": "2026-10-31T20:10:50.443Z",
    "dateUpdated": "2026-11-01T17:30:17.707Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}