CVE-2026-82602

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-31. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

A security vulnerability has been detected in SeaCMS up to 13.6. This vulnerability affects unknown code of the file /ass.php. The manipulation leads to authorization bypass. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: Attend

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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

August 31, 2026

Last Modified

August 31, 2026

Advisory Details (1)

Auto-updated Aug 31, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

seacms-13.6-security-advisories/c-011-ass-paywall-url-disclosure.md at a084a3e573240d54860153321df271280daec262 · T-Chachamaru/seacms-13.6-security-advisories · GitHub

https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-011-ass-paywall-url-disclosure.md

Vendor Advisories for CVE-2026-82602(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 19× in last 7d / 60× 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 20:16 UTCEPSS rescore
  2. 2026-09-20 18:27 UTCGHSA enrichment
  3. 2026-09-19 17:23 UTCEG score recompute
  4. 2026-09-19 17:23 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-18 16:18 UTCEG score recompute
  7. 2026-09-18 16:18 UTCGHSA enrichment
  8. 2026-09-17 15:09 UTCEG score recompute
  9. 2026-09-17 15:09 UTCGHSA enrichment
  10. 2026-09-16 14:08 UTCEPSS rescore
  11. 2026-09-16 14:04 UTCEG score recompute
  12. 2026-09-16 14:04 UTCGHSA enrichment
  13. 2026-09-16 05:15 UTCEPSS rescore
  14. 2026-09-15 12:16 UTCEG score recompute
  15. 2026-09-15 12:16 UTCGHSA enrichment
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 11:09 UTCEG score recompute
  19. 2026-09-14 11:09 UTCGHSA enrichment
  20. 2026-09-13 10:05 UTCEG score recompute
  21. 2026-09-13 10:05 UTCGHSA enrichment
  22. 2026-09-12 09:00 UTCEG score recompute
  23. 2026-09-12 09:00 UTCGHSA enrichment
  24. 2026-09-11 07:55 UTCEG score recompute
  25. 2026-09-11 07:55 UTCGHSA enrichment
Show 35 more
  1. 2026-09-10 06:50 UTCGHSA enrichment
  2. 2026-09-09 05:46 UTCEG score recompute
  3. 2026-09-09 05:46 UTCGHSA enrichment
  4. 2026-09-08 22:01 UTCEPSS rescore
  5. 2026-09-08 04:41 UTCEG score recompute
  6. 2026-09-08 04:41 UTCGHSA enrichment
  7. 2026-09-07 03:36 UTCEG score recompute
  8. 2026-09-07 03:35 UTCGHSA enrichment
  9. 2026-09-06 13:48 UTCEPSS rescore
  10. 2026-09-06 02:27 UTCEG score recompute
  11. 2026-09-06 02:27 UTCGHSA enrichment
  12. 2026-09-05 15:31 UTCEPSS rescore
  13. 2026-09-05 01:23 UTCEG score recompute
  14. 2026-09-05 01:23 UTCGHSA enrichment
  15. 2026-09-04 05:07 UTCEPSS rescore
  16. 2026-09-04 00:18 UTCGHSA enrichment
  17. 2026-09-02 23:12 UTCEG score recompute
  18. 2026-09-02 23:12 UTCGHSA enrichment
  19. 2026-09-02 14:12 UTCEPSS rescore
  20. 2026-09-01 22:08 UTCEG score recompute
  21. 2026-09-01 22:08 UTCGHSA enrichment
  22. 2026-09-01 13:54 UTCEPSS rescore
  23. 2026-09-01 04:40 UTCEPSS rescore
  24. 2026-09-01 04:40 UTCEPSS rescore
  25. 2026-08-31 21:03 UTCGHSA enrichment
  26. 2026-08-31 17:24 UTCEG score recompute
  27. 2026-08-31 17:24 UTCGHSA enrichment
  28. 2026-08-31 17:20 UTCNVD updateCVSS v4 → 5.5
  29. 2026-08-31 16:32 UTCEG score recompute
  30. 2026-08-31 16:31 UTCGHSA enrichment
  31. 2026-08-31 16:29 UTCMITRE cvelistV5CVSS v4 → 6.9
  32. 2026-08-31 02:26 UTCEG score recompute
  33. 2026-08-31 02:25 UTCNVD updateCVSS v4 → 5.5
  34. 2026-08-31 01:34 UTCEG score recompute
  35. 2026-08-31 01:33 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82602?
CVE-2026-82602 is a medium vulnerability published on August 31, 2026. A security vulnerability has been detected in SeaCMS up to 13.6. This vulnerability affects unknown code of the file /ass.php. The manipulation leads to authorization bypass. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
When was CVE-2026-82602 disclosed?
CVE-2026-82602 was first published in the National Vulnerability Database on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82602 actively exploited?
CVE-2026-82602 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 76.3% of all scored CVEs.
What is the CVSS score of CVE-2026-82602?
CVE-2026-82602 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-82602?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82602, 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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