CVE-2026-15628

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-07-14. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: Elevated riskExposed: 0

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

A security flaw has been discovered in zhayujie chatgpt-on-wechat CowAgent up to 2.1.1. This issue affects the function Vision._download_to_data_url of the file agent/tools/vision/vision.py of the component Vision Tool. Performing a manipulation of the argument image results in server-side request forgery. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.1.2 is capable of addressing this issue. The patch is named e85290cddcbb5ffc9c235927f4c92e5b4c3ec264. The affected component should be upgraded.

CVSS v3
6.3
EG Score
6.3(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 14, 2026

Advisory Details (4)

Auto-updated Jul 14, 2026
Patch available. Sources: github_pr, github_commit, github_release.
github_release Patch Available

2.1.2

Patch available: zhayujie/CowAgent 2.1.2

https://github.com/zhayujie/CowAgent/releases/tag/2.1.2
github_commit Patch Available

commit e85290cddcbb (zhayujie/CowAgent)

Patch available: zhayujie/CowAgent 2.1.2 (contains commit e85290cddcbb)

https://github.com/zhayujie/CowAgent/commit/e85290cddcbb5ffc9c235927f4c92e5b4c3ec264
github_pr Patch Available

fix(security): SSRF protection for vision tool + path traversal guard for skill install

Patch available: zhayujie/CowAgent 2.1.2 (PR #2886 merged 2026-06-11)

https://github.com/zhayujie/CowAgent/pull/2886
generic

[Security] Server-Side Request Forgery in the built-in `vision` tool via unsanitized remote image URLs · Issue #2878 · zhayujie/CowAgent · GitHub

https://github.com/zhayujie/CowAgent/issues/2878

Vendor Advisories for CVE-2026-15628(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 49× 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.

Showing the most recent 100 of 148 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-18 04:58 UTCEG score recompute
  3. 2026-09-18 04:58 UTCGHSA enrichment
  4. 2026-09-16 14:07 UTCEPSS rescore
  5. 2026-09-16 05:14 UTCEPSS rescore
  6. 2026-09-14 05:59 UTCEG score recompute
  7. 2026-09-14 05:59 UTCGHSA enrichment
  8. 2026-09-13 16:46 UTCEPSS rescore
  9. 2026-09-13 07:56 UTCEG score recompute
  10. 2026-09-13 07:56 UTCGHSA enrichment
  11. 2026-09-12 15:00 UTCEPSS rescore
  12. 2026-09-12 01:48 UTCEG score recompute
  13. 2026-09-12 01:48 UTCGHSA enrichment
  14. 2026-09-11 14:52 UTCEPSS rescore
  15. 2026-09-11 09:36 UTCEPSS rescore
  16. 2026-09-10 09:34 UTCEPSS rescore
  17. 2026-09-08 22:00 UTCEPSS rescore
  18. 2026-09-08 01:50 UTCEG score recompute
  19. 2026-09-08 01:50 UTCGHSA enrichment
  20. 2026-09-07 16:01 UTCEPSS rescore
  21. 2026-09-06 13:47 UTCEPSS rescore
  22. 2026-09-05 21:20 UTCEG score recompute
  23. 2026-09-05 21:20 UTCGHSA enrichment
  24. 2026-09-04 05:06 UTCEPSS rescore
  25. 2026-09-02 14:11 UTCEPSS rescore
Show 75 more
  1. 2026-09-01 13:53 UTCEPSS rescore
  2. 2026-09-01 04:39 UTCEPSS rescore
  3. 2026-08-31 05:51 UTCEG score recompute
  4. 2026-08-31 05:51 UTCGHSA enrichment
  5. 2026-08-30 19:17 UTCEPSS rescore
  6. 2026-08-30 05:26 UTCEG score recompute
  7. 2026-08-30 05:26 UTCGHSA enrichment
  8. 2026-08-30 01:22 UTCEPSS rescore
  9. 2026-08-28 21:41 UTCEPSS rescore
  10. 2026-08-27 14:25 UTCEPSS rescore
  11. 2026-08-27 13:55 UTCEG score recompute
  12. 2026-08-27 13:55 UTCGHSA enrichment
  13. 2026-08-26 14:46 UTCEPSS rescore
  14. 2026-08-26 12:50 UTCEG score recompute
  15. 2026-08-26 12:49 UTCGHSA enrichment
  16. 2026-08-25 13:48 UTCEPSS rescore
  17. 2026-08-25 13:01 UTCGHSA enrichment
  18. 2026-08-24 14:53 UTCEG score recompute
  19. 2026-08-24 14:53 UTCGHSA enrichment
  20. 2026-08-23 16:50 UTCEG score recompute
  21. 2026-08-23 16:50 UTCGHSA enrichment
  22. 2026-08-23 00:19 UTCEPSS rescore
  23. 2026-08-22 18:48 UTCEG score recompute
  24. 2026-08-22 18:48 UTCGHSA enrichment
  25. 2026-08-21 23:49 UTCEPSS rescore
  26. 2026-08-21 20:45 UTCGHSA enrichment
  27. 2026-08-20 22:43 UTCGHSA enrichment
  28. 2026-08-20 00:40 UTCEG score recompute
  29. 2026-08-20 00:40 UTCGHSA enrichment
  30. 2026-08-19 17:03 UTCEPSS rescore
  31. 2026-08-18 20:25 UTCEG score recompute
  32. 2026-08-18 20:25 UTCGHSA enrichment
  33. 2026-08-18 13:48 UTCEPSS rescore
  34. 2026-08-17 14:08 UTCEG score recompute
  35. 2026-08-17 14:08 UTCGHSA enrichment
  36. 2026-08-17 13:47 UTCEPSS rescore
  37. 2026-08-16 16:06 UTCEG score recompute
  38. 2026-08-16 16:06 UTCGHSA enrichment
  39. 2026-08-16 14:56 UTCEPSS rescore
  40. 2026-08-16 02:14 UTCEPSS rescore
  41. 2026-08-15 18:04 UTCEG score recompute
  42. 2026-08-15 18:04 UTCGHSA enrichment
  43. 2026-08-15 01:30 UTCEPSS rescore
  44. 2026-08-14 20:02 UTCEG score recompute
  45. 2026-08-14 20:02 UTCGHSA enrichment
  46. 2026-08-13 22:00 UTCEPSS rescore
  47. 2026-08-13 21:59 UTCEG score recompute
  48. 2026-08-13 21:59 UTCGHSA enrichment
  49. 2026-08-12 23:57 UTCEG score recompute
  50. 2026-08-12 23:57 UTCGHSA enrichment
  51. 2026-08-12 13:50 UTCEPSS rescore
  52. 2026-08-12 01:55 UTCEG score recompute
  53. 2026-08-12 01:55 UTCGHSA enrichment
  54. 2026-08-11 13:42 UTCEPSS rescore
  55. 2026-08-11 03:53 UTCEG score recompute
  56. 2026-08-11 03:53 UTCGHSA enrichment
  57. 2026-08-11 00:00 UTCEPSS rescore
  58. 2026-08-10 05:51 UTCEG score recompute
  59. 2026-08-10 05:51 UTCGHSA enrichment
  60. 2026-08-09 13:46 UTCEPSS rescore
  61. 2026-08-09 07:49 UTCEG score recompute
  62. 2026-08-09 07:49 UTCGHSA enrichment
  63. 2026-08-08 16:37 UTCEPSS rescore
  64. 2026-08-08 09:47 UTCEG score recompute
  65. 2026-08-08 09:47 UTCGHSA enrichment
  66. 2026-08-07 11:45 UTCEG score recompute
  67. 2026-08-07 11:44 UTCGHSA enrichment
  68. 2026-08-06 13:46 UTCEPSS rescore
  69. 2026-08-06 13:42 UTCEG score recompute
  70. 2026-08-06 13:42 UTCGHSA enrichment
  71. 2026-08-05 19:17 UTCEPSS rescore
  72. 2026-08-05 15:34 UTCGHSA enrichment
  73. 2026-08-04 16:21 UTCEG score recompute
  74. 2026-08-04 16:21 UTCGHSA enrichment
  75. 2026-08-04 15:10 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15628?
CVE-2026-15628 is a medium vulnerability published on July 14, 2026. A security flaw has been discovered in zhayujie chatgpt-on-wechat CowAgent up to 2.1.1. This issue affects the function Vision.downloadtodataurl of the file agent/tools/vision/vision.py of the component Vision Tool. Performing a manipulation of the argument image results in server-side request…
When was CVE-2026-15628 disclosed?
CVE-2026-15628 was first published in the National Vulnerability Database 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-2026-15628 actively exploited?
CVE-2026-15628 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 68.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15628?
CVE-2026-15628 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-15628?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15628, 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

Explore the affected products and dependency analysis for CVE-2026-15628

Explore →

Is Your Infrastructure Affected by CVE-2026-15628?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs