CVE-2026-51953

HIGHPre-NVD 7.47.4—
EchelonGraph scoreMEDIUM 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(medium)
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

September 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 21× in last 7d / 95× 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 172 total refreshes for this CVE.

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

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 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-2026-51953 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 79.7% 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

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