s1
--:--:--UTC

Searching APEX

Starting…

  1. ○ Searching Threats, IOCs & Threat Intelligence locally
  2. ○ Querying external providers
  3. ○ Asking AI Forensic Validator
  4. ○ Creating new entry from validated hit

0s elapsed

CVE-2026-42473

📛 CVE Title

CVE-2026-42473

Description

Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The session and cache handlers use unserialize() on data from the filesystem in the FileHandler object.

Overview

State
PUBLISHED
Assigner (CNA)
mitre
CVSS severity
critical
CVSS score
CVSS 9.8 / 10 9.8 9.8 / 10
CVSS vector
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Effective score
9.8 / 10 CRITICAL source: CNA overview
CWE(s)
—
Reserved
2026-04-27
Published
2026-05-01 02:00 UTC
Last updated
2026-05-01 20:22 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/42xxx/CVE-2026-42473.json
Linked Threat
CVE-2026-42473 — CVE-2026-42473

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
2026-05-01 16:16:31 UTC
NVD last modified
2026-05-05 19:39:58 UTC
NVD CVSS v3.1
CVSS 9.8 / 10 9.8 9.8 / 10 CRITICAL source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability subscore
3.9 / 10
Impact subscore
5.9 / 10
EPSS score
0.0005 (probability of exploitation in next 30 days)
EPSS percentile
15.99% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD-assigned CWE(s): CWE-502 (differs from the CNA list above)

NVD / KEV / EPSS data refreshed 2026-05-25 09:25 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

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-2026-26674
Assigner
mitre
Published
May 1, 2026, 12:00:00 AM
Updated
May 1, 2026, 6:22:27 PM
EUVD base score (CVSS 3.1)
9.8 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EUVD-reported EPSS
0.0500
Vendors
n/a
Products
n/a (n/a)

ENISA description: Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The session and cache handlers use unserialize() on data from the filesystem in the FileHandler object.

EUVD references (3)

Affected products (1)

VendorProductVersionsPlatforms
n/a n/a n/a (affected) —

Vendor references (3)

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

Web references (6)

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

NVD-tagged references (3)

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

Remediations (19)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • web:access.redhat.com

    Learn about our open source products, services, and company. You are here

    2026-05-23 20:22 UTC
  • web:cyberinsider.com

    Microsoft fixes 83 vulnerabilities in Windows 11 with the March 2026 Patch Tuesday update, including two publicly disclosed zero-day flaws.

    2026-05-23 20:22 UTC
  • web:cyberpress.org

    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .

    2026-05-23 20:22 UTC
  • web:nvd.nist.gov

    The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...

    2026-05-23 20:22 UTC
  • web:portal.msrc.microsoft.com

    The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

    2026-05-23 20:22 UTC
  • web:support.sap.com

    SAP security Patch Day Bulletin

    2026-05-23 20:22 UTC
  • web:thecyberexpress.com

    Cisco has released security updates to fix a critical vulnerability, tracked as CVE - 2026 -20223, affecting its Cisco Secure Workload platform. The flaw, which received the maximum CVSS score of 10.0, could allow an unauthenticated remote attacker to access sensitive information and make unauthorized configuration changes through vulnerable REST ...

    2026-05-23 20:22 UTC
  • web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-05-23 20:22 UTC
  • web:www.pcworld.com

    This month's Patch Tuesday brings over 80 fixes for various security vulnerabilities. Fortunately, none are actively being exploited in the wild yet.

    2026-05-23 20:22 UTC
  • web:zecurit.com

    Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

    2026-05-23 20:22 UTC
  • web:access.redhat.com

    The mitigation methods below address both vulnerabilities that affect Red Hat products — CVE - 2026 -43284 (IPsec ESP) and CVE - 2026 -46300 (XFRM ESP-in-TCP). CVE - 2026 -43500 (rxrpc) does not affect Red Hat products and requires no mitigation .

    2026-06-03 07:48 UTC
  • web:cyberpress.org

    A critical vulnerability in Google's MCP Toolbox for Databases is putting enterprise database systems at serious risk.

    2026-06-03 07:48 UTC
  • web:experienceleague.adobe.com

    Learn about security bug fixes, security enhancements, and other security related updates included in the security patch releases for Adobe Commerce version 2.4.7.

    2026-06-03 07:48 UTC
  • web:msrc.microsoft.com

    The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

    2026-06-03 07:48 UTC
  • web:msrc.microsoft.com

    Access Microsoft Security Response Center's guide to address vulnerabilities, manage security risks, and keep your systems protected with the latest updates.

    2026-06-03 07:48 UTC
  • web:patch.com

    Enfield Latest Headlines: New Restaurant Listed For Enfield Shopping Center; Software Change Starts At Enfield Senior Center; How Long Does $2.5 Million Last in Retirement?

    2026-06-03 07:48 UTC
  • web:ubuntu.com

    Two local privilege escalation (LPE) vulnerabilities affecting the Linux kernel have been publicly disclosed on May 7, 2026 . The vulnerabilities have been assigned the IDs CVE - 2026 -43284 and CVE - 2026 -43500 and are referred to as "Dirty Frag." The affected components are Linux kernel modules. The first vulnerability impacts the modules tha […]

    2026-06-03 07:48 UTC
  • web:www.cve.org

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

    2026-06-03 07:48 UTC
  • web:www.oracle.com

    This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.

    2026-06-03 07:48 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-42473.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-42473",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-01T18:22:22.599589Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-502",
                "description": "CWE-502 Deserialization of Untrusted Data",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-01T18:22:27.023Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Unsafe deserialization vulnerability in MixPHP Framework 2.x thru 2.2.17. The session and cache handlers use unserialize() on data from the filesystem in the FileHandler object."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-01T15:37:42.259Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/mix-php/mix"
        },
        {
          "url": "https://github.com/mix-php/mix/blob/v2.2.17/src/sync-invoke/src/Server.php"
        },
        {
          "url": "https://gist.github.com/sgInnora/fa46386840fe978a30d7e53c458f2975"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-42473",
    "datePublished": "2026-05-01T00:00:00.000Z",
    "dateReserved": "2026-04-27T00:00:00.000Z",
    "dateUpdated": "2026-05-01T18:22:27.023Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}