CVE-2026-86308

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-07. 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 vulnerability was detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This issue affects some unknown processing of the file App/Common/Conf/config.php of the component Debug Mode. The manipulation of the argument DB_DEBUG results in information disclosure. It is possible to launch the attack remotely. The exploit is now public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

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
25%
KEV
Not listed

Published

September 7, 2026

Last Modified

September 9, 2026

Advisory Details (3)

Auto-updated Sep 7, 2026
No patch confirmed yet.
generic

GitHub - light0011/cms: 基于bootstrap与thinkphp做的新闻内容管理系统，有登陆注册、发表文章、评论、投票等常用功能 · GitHub

https://github.com/light0011/cms/
generic

Debug mode exposes framework paths and stack traces · Issue #17 · light0011/cms · GitHub

https://github.com/light0011/cms/issues/17
generic

Debug mode exposes framework paths and stack traces · Issue #10 · light0011/cms · GitHub

https://github.com/light0011/cms/issues/10

Vendor Advisories for CVE-2026-86308(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 / 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 13:39 UTCGHSA enrichment
  2. 2026-09-19 15:59 UTCEG score recompute
  3. 2026-09-19 15:59 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 18:17 UTCGHSA enrichment
  6. 2026-09-17 20:20 UTCEG score recompute
  7. 2026-09-17 20:20 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-16 21:18 UTCEG score recompute
  10. 2026-09-16 21:18 UTCGHSA enrichment
  11. 2026-09-16 14:09 UTCEPSS rescore
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-15 23:22 UTCEG score recompute
  14. 2026-09-15 23:22 UTCGHSA enrichment
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 01:29 UTCGHSA enrichment
  18. 2026-09-14 03:50 UTCEG score recompute
  19. 2026-09-14 03:50 UTCGHSA enrichment
  20. 2026-09-13 06:10 UTCEG score recompute
  21. 2026-09-13 06:10 UTCGHSA enrichment
  22. 2026-09-12 08:31 UTCEG score recompute
  23. 2026-09-12 08:31 UTCGHSA enrichment
  24. 2026-09-11 14:53 UTCEPSS rescore
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 20 more
  1. 2026-09-11 10:51 UTCEG score recompute
  2. 2026-09-11 10:51 UTCGHSA enrichment
  3. 2026-09-10 13:11 UTCEG score recompute
  4. 2026-09-10 13:11 UTCGHSA enrichment
  5. 2026-09-09 15:31 UTCEG score recompute
  6. 2026-09-09 15:31 UTCGHSA enrichment
  7. 2026-09-09 15:26 UTCNVD updateCVSS v4 → 5.5
  8. 2026-09-09 14:46 UTCEG score recompute
  9. 2026-09-09 14:46 UTCGHSA enrichment
  10. 2026-09-09 14:45 UTCMITRE cvelistV5CVSS v4 → 6.9
  11. 2026-09-09 11:27 UTCEG score recompute
  12. 2026-09-09 11:27 UTCGHSA enrichment
  13. 2026-09-08 22:01 UTCEPSS rescore
  14. 2026-09-08 13:47 UTCGHSA enrichment
  15. 2026-09-08 12:07 UTCEG score recompute
  16. 2026-09-08 12:06 UTCGHSA enrichment
  17. 2026-09-07 14:26 UTCEG score recompute
  18. 2026-09-07 14:20 UTCNVD updateCVSS v4 → 5.5
  19. 2026-09-07 13:40 UTCEG score recompute
  20. 2026-09-07 13:36 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-86308?
CVE-2026-86308 is a medium vulnerability published on September 7, 2026. A vulnerability was detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This issue affects some unknown processing of the file App/Common/Conf/config.php of the component Debug Mode. The manipulation of the argument DB_DEBUG results in…
When was CVE-2026-86308 disclosed?
CVE-2026-86308 was first published in the National Vulnerability Database on September 7, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-86308 actively exploited?
CVE-2026-86308 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 75.4% of all scored CVEs.
What is the CVSS score of CVE-2026-86308?
CVE-2026-86308 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-86308?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86308, 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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