CVE-2026-51953

HIGHPre-NVD 7.47.4—
EchelonGraph scoreHIGH confidence

Score 7.4 from GitHub Security Advisory (severity: HIGH) published 2026-08-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
7.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.4Exploit: Elevated riskExposed: 0

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

An issue in FeehiCMS v.2.1.1 allows an attacker to escalate privileges via the Session management module, authentication logic, logout handler components

CVSS v3
7.4
EG Score
7.4(high)
EG Risk
49(Track*)
EG Risk 49/100SSVC: 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
Severity74% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

July 31, 2026

Last Modified

August 3, 2026

Advisory Details (2)

Auto-updated Aug 3, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

CVE_Published/FeehiCMS/CVE-2026-51953.MD at main · altamish1994/CVE_Published · GitHub

https://github.com/altamish1994/CVE_Published/blob/main/FeehiCMS/CVE-2026-51953.MD
generic

GitHub - liufee/cms: Feehi CMS based on yii2 · GitHub

https://github.com/liufee/cms

Vendor Advisories for CVE-2026-51953(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 28× in last 7d / 80× 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. 2026-08-21 01:53 UTCEG score recompute
  2. 2026-08-21 01:53 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 14:23 UTCGHSA enrichment
  5. 2026-08-20 02:21 UTCEG score recompute
  6. 2026-08-20 02:21 UTCGHSA enrichment
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-19 14:53 UTCGHSA enrichment
  9. 2026-08-19 03:25 UTCGHSA enrichment
  10. 2026-08-18 15:52 UTCEG score recompute
  11. 2026-08-18 15:52 UTCGHSA enrichment
  12. 2026-08-18 13:48 UTCEPSS rescore
  13. 2026-08-18 02:04 UTCGHSA enrichment
  14. 2026-08-17 14:33 UTCEG score recompute
  15. 2026-08-17 14:33 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 03:05 UTCGHSA enrichment
  18. 2026-08-16 15:37 UTCEG score recompute
  19. 2026-08-16 15:37 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 04:09 UTCEG score recompute
  22. 2026-08-16 04:09 UTCGHSA enrichment
  23. 2026-08-16 02:14 UTCEPSS rescore
  24. 2026-08-15 16:42 UTCGHSA enrichment
  25. 2026-08-15 05:14 UTCEG score recompute
Show 55 more
  1. 2026-08-15 05:14 UTCGHSA enrichment
  2. 2026-08-15 01:30 UTCEPSS rescore
  3. 2026-08-14 17:46 UTCGHSA enrichment
  4. 2026-08-14 06:04 UTCEG score recompute
  5. 2026-08-14 06:04 UTCGHSA enrichment
  6. 2026-08-13 22:00 UTCEPSS rescore
  7. 2026-08-13 18:36 UTCGHSA enrichment
  8. 2026-08-13 07:09 UTCGHSA enrichment
  9. 2026-08-12 19:36 UTCEG score recompute
  10. 2026-08-12 19:36 UTCGHSA enrichment
  11. 2026-08-12 13:51 UTCEPSS rescore
  12. 2026-08-12 08:08 UTCGHSA enrichment
  13. 2026-08-11 20:40 UTCEG score recompute
  14. 2026-08-11 20:40 UTCGHSA enrichment
  15. 2026-08-11 09:12 UTCEG score recompute
  16. 2026-08-11 09:12 UTCGHSA enrichment
  17. 2026-08-11 00:00 UTCEPSS rescore
  18. 2026-08-10 21:45 UTCGHSA enrichment
  19. 2026-08-10 10:17 UTCGHSA enrichment
  20. 2026-08-09 22:49 UTCEG score recompute
  21. 2026-08-09 22:49 UTCGHSA enrichment
  22. 2026-08-09 13:46 UTCEPSS rescore
  23. 2026-08-09 11:22 UTCGHSA enrichment
  24. 2026-08-08 23:54 UTCEG score recompute
  25. 2026-08-08 23:54 UTCGHSA enrichment
  26. 2026-08-08 16:37 UTCEPSS rescore
  27. 2026-08-08 12:26 UTCGHSA enrichment
  28. 2026-08-08 00:58 UTCEG score recompute
  29. 2026-08-08 00:58 UTCGHSA enrichment
  30. 2026-08-07 13:30 UTCGHSA enrichment
  31. 2026-08-07 02:02 UTCGHSA enrichment
  32. 2026-08-06 14:35 UTCEG score recompute
  33. 2026-08-06 14:35 UTCGHSA enrichment
  34. 2026-08-06 13:47 UTCEPSS rescore
  35. 2026-08-06 03:07 UTCEG score recompute
  36. 2026-08-06 03:07 UTCGHSA enrichment
  37. 2026-08-05 19:17 UTCEPSS rescore
  38. 2026-08-05 15:39 UTCGHSA enrichment
  39. 2026-08-05 04:11 UTCGHSA enrichment
  40. 2026-08-04 16:39 UTCEG score recompute
  41. 2026-08-04 16:39 UTCGHSA enrichment
  42. 2026-08-04 15:10 UTCEPSS rescore
  43. 2026-08-04 10:39 UTCEPSS rescore
  44. 2026-08-04 05:11 UTCEG score recompute
  45. 2026-08-04 05:11 UTCGHSA enrichment
  46. 2026-08-03 17:43 UTCEG score recompute
  47. 2026-08-03 17:42 UTCGHSA enrichment
  48. 2026-08-03 17:09 UTCEG score recompute▲ 7.40
  49. 2026-08-03 17:09 UTCGHSA enrichment
  50. 2026-08-03 17:08 UTCMITRE cvelistV5CVSS v3 → 7.4 · severity → HIGH
  51. 2026-08-03 10:36 UTCEPSS rescore
  52. 2026-08-02 02:27 UTCEPSS rescore
  53. 2026-07-31 22:23 UTCNVD update
  54. 2026-07-31 21:39 UTCEG score recompute
  55. 2026-07-31 21:38 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-51953?
CVE-2026-51953 is a high vulnerability published on July 31, 2026. An issue in FeehiCMS v.2.1.1 allows an attacker to escalate privileges via the Session management module, authentication logic, logout handler components
When was CVE-2026-51953 disclosed?
CVE-2026-51953 was first published in the National Vulnerability Database on July 31, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51953 actively exploited?
CVE-2026-51953 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 79.8% of all scored CVEs.
What is the CVSS score of CVE-2026-51953?
CVE-2026-51953 has a CVSS v3.1 base score of 7.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51953?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-51953, 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-2026-51953

Explore →

Is Your Infrastructure Affected by CVE-2026-51953?

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

Start Free Scan →Browse All CVEs