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  4. CVE 2026 108769 zhayujie cowagent markdown rendering markdowntsx
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Back to active CVEs
Medium · CVSS 5.3CVE-2026-108769

zhayujie CowAgent Markdown Rendering Markdown.tsx denial of serviceCVE-2026-108769

Answer in brief

CVE-2026-108769 records a Medium severity (CVSS 5.3) vulnerability in zhayujie CowAgent Markdown Rendering Markdown.tsx denial of service. The current sources do not mark it as known exploited. The current feed maps zhayujie/CowAgent (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 11, 2026Updated Oct 11, 2026Source checked Oct 11, 2026First seen by HOL Oct 11, 2026Material review Oct 11, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps zhayujie/CowAgent (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
zhayujie/CowAgentgeneric2.0 || 2.1 || 2.2.0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for zhayujie/CowAgent.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 11, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 11, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source description

A security flaw has been discovered in zhayujie CowAgent up to 2.2.0. This affects an unknown part of the file Markdown.tsx of the component Markdown Rendering. The manipulation results in denial of service. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • zhayujie CowAgent Streaming Tool-Call Argument json.loads allocation of resourcesSame zhayujie/cowagent package
  • Channel tokens and organization API key exposed in API responsesSame generic ecosystem
  • erzhongxmu Jeewms Autocomplete Data JeecgFormDemoController.java getTreeData sql injectionSame generic ecosystem
  • Appwrite Browser Screenshot Service Get.php PublicHostname server-side request forgerySame generic ecosystem
  • bleenco abstruse Cache Endpoint download_cache.go filepath.Join path traversalSame generic ecosystem
  • erzhongxmu JEEWMS WmOmNoticeHController.java docheck sql injectionSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-404
Source
CVE List V5
Source checked
Oct 11, 2026
References
5 linked sources
Open source record