CVE-2026-85177

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-09-03. a secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

CRMEB through 6.0.0 fails to validate message ownership in the edit_message handler of MessageSystemController.php, allowing authenticated users to modify arbitrary system inbox messages. Attackers can update any message's columns including is_del, look, and uid to delete, mark read, or reassign victim notifications without authorization.

CVSS v3
5.4
EG Score
5.4(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

September 3, 2026

Last Modified

September 3, 2026

Advisory Details (4)

Auto-updated Sep 3, 2026
No patch confirmed yet.
generic

CRMEB through 6.0.0 Unauthorized Message Modification via edit_message | Advisories | VulnCheck

https://www.vulncheck.com/advisories/crmeb-through-6.0.0-unauthorized-message-modification-via-edit-message
generic

CRMEB/crmeb/app/api/controller/v1/user/MessageSystemController.php at v6.0.0 · crmeb/CRMEB · GitHub

https://github.com/crmeb/CRMEB/blob/v6.0.0/crmeb/app/api/controller/v1/user/MessageSystemController.php
generic

GitHub - crmeb/CRMEB: 🔥CRMEB开源商城免费开源多语言商城系统，Tp6框架商城，系统可商用；包含小程序商城、H5商城、公众号商城、PC商城、App，支持分销、拼团、砍价、秒杀、优惠券、积分、会员等级、小程序直播、页面DIY，前后端分离，方便二开，更有详细使用文档、接口文档、数据字典、二开文档/视频教程，欢迎大家提出宝贵意见和建议 · GitHub

https://github.com/crmeb/CRMEB
generic

Horizontal IDOR in edit_message lets any customer delete or modify other customers' inbox messages · Issue #120 · crmeb/CRMEB · GitHub

https://github.com/crmeb/CRMEB/issues/120

Vendor Advisories for CVE-2026-85177(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 20× in last 7d / 45× 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. 2026-09-20 20:45 UTCEG score recompute
  2. 2026-09-20 20:45 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-19 21:05 UTCEG score recompute
  5. 2026-09-19 21:05 UTCGHSA enrichment
  6. 2026-09-18 21:24 UTCEG score recompute
  7. 2026-09-18 21:24 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-17 21:23 UTCEG score recompute
  10. 2026-09-17 21:23 UTCGHSA enrichment
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-16 21:42 UTCEG score recompute
  13. 2026-09-16 21:42 UTCGHSA enrichment
  14. 2026-09-16 14:09 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 21:58 UTCEG score recompute
  17. 2026-09-15 21:58 UTCGHSA enrichment
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 22:17 UTCGHSA enrichment
  21. 2026-09-13 22:37 UTCEG score recompute
  22. 2026-09-13 22:37 UTCGHSA enrichment
  23. 2026-09-12 22:57 UTCEG score recompute
  24. 2026-09-12 22:57 UTCGHSA enrichment
  25. 2026-09-11 23:16 UTCEG score recompute
Show 20 more
  1. 2026-09-11 23:16 UTCGHSA enrichment
  2. 2026-09-11 14:53 UTCEPSS rescore
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-10 23:09 UTCEG score recompute
  5. 2026-09-10 23:09 UTCGHSA enrichment
  6. 2026-09-09 23:28 UTCGHSA enrichment
  7. 2026-09-08 23:09 UTCEG score recompute
  8. 2026-09-08 23:09 UTCGHSA enrichment
  9. 2026-09-08 22:01 UTCEPSS rescore
  10. 2026-09-07 14:50 UTCGHSA enrichment
  11. 2026-09-06 14:34 UTCEG score recompute
  12. 2026-09-06 14:34 UTCGHSA enrichment
  13. 2026-09-06 13:48 UTCEPSS rescore
  14. 2026-09-05 15:31 UTCEPSS rescore
  15. 2026-09-05 14:53 UTCGHSA enrichment
  16. 2026-09-04 15:12 UTCEG score recompute
  17. 2026-09-04 15:12 UTCGHSA enrichment
  18. 2026-09-03 15:31 UTCEG score recompute
  19. 2026-09-03 14:20 UTCEG score recompute
  20. 2026-09-03 14:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-85177?
CVE-2026-85177 is a medium vulnerability published on September 3, 2026. CRMEB through 6.0.0 fails to validate message ownership in the editmessage handler of MessageSystemController.php, allowing authenticated users to modify arbitrary system inbox messages. Attackers can update any message's columns including isdel, look, and uid to delete, mark read, or reassign…
When was CVE-2026-85177 disclosed?
CVE-2026-85177 was first published in the National Vulnerability Database on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85177 actively exploited?
CVE-2026-85177 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 87.4% of all scored CVEs.
What is the CVSS score of CVE-2026-85177?
CVE-2026-85177 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-85177?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85177, 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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