CVE-2026-15329

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-10. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was found in zhayujie CowAgent up to 2.1.0. This issue affects the function BrowserTool._do_navigate of the file agent/tools/browser/browser_tool.py of the component Browser Tool. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
4.3
EG Score
4.3(high)
EPSS
15.2%
KEV
Not listed

Published

July 10, 2026

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated Jul 10, 2026
No patch confirmed yet.
generic

[Security] Local File Disclosure via Unsafe `file://` Browser Navigation in CowAgent Browser Tool · Issue #2871 · zhayujie/CowAgent · GitHub

https://github.com/zhayujie/CowAgent/issues/2871#issuecomment-4922534422
generic

[Security] Local File Disclosure via Unsafe `file://` Browser Navigation in CowAgent Browser Tool · Issue #2871 · zhayujie/CowAgent · GitHub

https://github.com/zhayujie/CowAgent/issues/2871
generic

GitHub - zhayujie/CowAgent: Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat) · GitHub

https://github.com/zhayujie/CowAgent/

Vendor Advisories for CVE-2026-15329(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 02:00 UTCEPSS rescore
  2. 2026-07-14 20:49 UTCEG score recompute
  3. 2026-07-14 20:49 UTCGHSA enrichment
  4. 2026-07-14 03:13 UTCNVD updateCVSS v4 → 2.1
  5. 2026-07-14 02:15 UTCMITRE cvelistV5CVSS v4 → 5.3
  6. 2026-07-13 22:30 UTCEPSS rescore
  7. 2026-07-13 22:13 UTCEG score recompute
  8. 2026-07-13 22:13 UTCGHSA enrichment
  9. 2026-07-13 06:12 UTCEPSS rescore
  10. 2026-07-12 23:37 UTCEG score recompute
  11. 2026-07-12 23:37 UTCGHSA enrichment
  12. 2026-07-12 05:46 UTCEPSS rescore
  13. 2026-07-12 01:01 UTCEG score recompute
  14. 2026-07-12 01:01 UTCGHSA enrichment
  15. 2026-07-11 08:27 UTCEPSS rescore
  16. 2026-07-11 02:25 UTCEG score recompute
  17. 2026-07-11 02:25 UTCGHSA enrichment
  18. 2026-07-10 04:54 UTCNVD updateCVSS v4 → 2.1
  19. 2026-07-10 03:49 UTCEG score recompute
  20. 2026-07-10 03:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15329?
CVE-2026-15329 is a medium vulnerability published on July 10, 2026. A vulnerability was found in zhayujie CowAgent up to 2.1.0. This issue affects the function BrowserTool.donavigate of the file agent/tools/browser/browser_tool.py of the component Browser Tool. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The…
When was CVE-2026-15329 disclosed?
CVE-2026-15329 was first published in the National Vulnerability Database on July 10, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15329 actively exploited?
CVE-2026-15329 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15329?
CVE-2026-15329 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-15329?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15329, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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