CVE-2026-10220

Description

A vulnerability was determined in NousResearch hermes-agent up to 2026.4.30. Affected is the function _serve_plugin_skill/skill_view of the file tools/skills_tool.py. Executing a manipulation can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Overview

State: PUBLISHED
Assigner (CNA): VulDB
CVSS severity: MEDIUM
CVSS score: 6.9 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Effective score: 6.9 / 10 MEDIUM source: CNA overview
CWE(s): CWE-74, CWE-707
Reserved: 2026-05-31
Published: 2026-06-01 03:30 UTC
Last updated: 2026-06-02 15:01 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10220.json
Linked Threat: CVE-2026-10220 — CVE-2026-10220

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: 2026-06-01 04:16:21 UTC
NVD last modified: 2026-07-22 07:10:00 UTC
NVD CVSS v3.1: 7.3 / 10 HIGH source: cna@vuldb.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore: 3.9 / 10
Impact subscore: 3.4 / 10
EPSS score: 0.0030 (probability of exploitation in next 30 days)
EPSS percentile: 22.69% vs all CVEs — higher = more likely to be exploited, as of 2026-07-27

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-2026-33546
Assigner: VulDB
Published: Jun 1, 2026, 3:30:09 AM
Updated: Jun 2, 2026, 3:01:06 PM
EUVD base score (CVSS 4.0): 6.9 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EUVD-reported EPSS: 0.3000
Vendors: NousResearch
Products: hermes-agent (2026.4.30)

hermes-agent (2026.4.21)

hermes-agent (2026.4.29)

hermes-agent (2026.4.5)

hermes-agent (2026.4.20)

hermes-agent (2026.4.15)

hermes-agent (2026.4.10)

hermes-agent (2026.4.8)

hermes-agent (2026.4.26)

hermes-agent (2026.4.13)

hermes-agent (2026.4.12)

hermes-agent (2026.4.23)

hermes-agent (2026.4.6)

hermes-agent (2026.4.19)

hermes-agent (2026.4.17)

hermes-agent (2026.4.3)

hermes-agent (2026.4.22)

hermes-agent (2026.4.14)

hermes-agent (2026.4.25)

hermes-agent (2026.4.24)

hermes-agent (2026.4.16)

hermes-agent (2026.4.4)

hermes-agent (2026.4.2)

hermes-agent (2026.4.11)

hermes-agent (2026.4.1)

hermes-agent (2026.4.0)

hermes-agent (2026.4.7)

hermes-agent (2026.4.28)

hermes-agent (2026.4.18)

hermes-agent (2026.4.9)

hermes-agent (2026.4.27)
Aliases: GHSA-vq96-9529-5crp

ENISA description: A vulnerability was determined in NousResearch hermes-agent up to 2026.4.30. Affected is the function _serve_plugin_skill/skill_view of the file tools/skills_tool.py. Executing a manipulation can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

EUVD references (5)

Affected products (1)

Vendor	Product	Versions	Platforms
NousResearch	hermes-agent	`2026.4.0` (affected), `2026.4.1` (affected), `2026.4.2` (affected), `2026.4.3` (affected), `2026.4.4` (affected), `2026.4.5` (affected), `2026.4.6` (affected), `2026.4.7` (affected), `2026.4.8` (affected), `2026.4.9` (affected), `2026.4.10` (affected), `2026.4.11` (affected), `2026.4.12` (affected), `2026.4.13` (affected), `2026.4.14` (affected), `2026.4.15` (affected), `2026.4.16` (affected), `2026.4.17` (affected), `2026.4.18` (affected), `2026.4.19` (affected), `2026.4.20` (affected), `2026.4.21` (affected), `2026.4.22` (affected), `2026.4.23` (affected), `2026.4.24` (affected), `2026.4.25` (affected), `2026.4.26` (affected), `2026.4.27` (affected), `2026.4.28` (affected), `2026.4.29` (affected), `2026.4.30` (affected)	—

Vendor references (5)

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

VDB-367499 | NousResearch hermes-agent skills_tool.py skill_view injection vdb-entrytechnical-description
VDB-367499 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
CVE-2026-10220 | CVE Analysis and Report third-party-advisory
Submit #822018 | NousResearch hermes-agent <= v2026.4.30 Improper Input Validation (CWE-20) third-party-advisory
https://gist.github.com/YLChen-007/9dd399c6f75b31fa741a613dfd41de08 exploit

Web references (8)

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

https://gist.github.com/YLChen-007/9dd399c6f75b31fa741a613dfd41de08 tenable:gist.github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-10220 tenable:nvd.nist.gov
https://vuldb.com/cve/CVE-2026-10220 tenable:vuldb.com
https://vuldb.com/submit/822018 tenable:vuldb.com
https://vuldb.com/vuln/367499 tenable:vuldb.com
https://vuldb.com/vuln/367499/cti tenable:vuldb.com
https://www.cve.org/CVERecord?id=CVE-2026-10220 tenable:www.cve.org
https://www.first.org/epss/ tenable:www.first.org

NVD-tagged references (5)

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://gist.github.com/YLChen-007/9dd399c6f75b31fa741a613dfd41de08 cna@vuldb.com
https://vuldb.com/cve/CVE-2026-10220 cna@vuldb.com
https://vuldb.com/submit/822018 cna@vuldb.com
https://vuldb.com/vuln/367499 cna@vuldb.com
https://vuldb.com/vuln/367499/cti cna@vuldb.com

Remediations (13)

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

Microsoft Patch Tuesday March 2026 - 78 Vulnerabilities Fixed ...

web:cybersecuritynews.com

Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...

2026-06-08 16:02 UTC
Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...

web:cybersecuritynews.com

Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

2026-06-08 16:02 UTC
Nvd - Cve-2026-10886

web:nvd.nist.gov

An official website of the United States government Here's how you know

2026-06-08 16:02 UTC
Security Update Guide - Microsoft

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.

2026-06-08 16:02 UTC
Critical Patches Issued for Microsoft Products, April 14, 2026

web:www.cisecurity.org

<p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

2026-06-08 16:02 UTC
February 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's February 2026 Patch Tuesday addresses 59 CVEs , featuring six exploited vulnerabilities, three of which were publicly known, and five Critical vulnerabilities.

2026-06-08 16:02 UTC
Microsoft Technical Security Notifications

web:www.microsoft.com

Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.

2026-06-08 16:02 UTC
Oracle Critical Patch Update Advisory - April 2026

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.

2026-06-08 16:02 UTC
Oracle Critical Patch Update Advisory - January 2026

web:www.oracle.com

Oracle Critical Patch Update Advisory - January 2026 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical ...

2026-06-08 16:02 UTC
Patch Tuesday June 2026: Security Updates & CVE Analysis

web:zecurit.com

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

2026-06-08 16:02 UTC
June 2026 Critical Security Patch Update Released - Oracle Blogs

web:blogs.oracle.com

For more information about the Critical Security Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.

2026-06-19 02:31 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 ...

2026-06-19 02:31 UTC
May 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft has released security updates for 130 vulnerabilities, including 30 critical, in its May 2026 Patch Tuesday rollout.

2026-06-19 02:31 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-10220.json.

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