CVE-2026-71294

HIGHPre-NVD 7.67.6—
EchelonGraph scoreHIGH confidence

Score 7.6 from GitHub Security Advisory (severity: HIGH) published 2026-08-05. a secondary CVSS source baseline 7.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.6Exploit: None knownExposed: 0

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

Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via (trim-only sanitization) is passed to with no restriction, reachable by any member with write access to comments (the default setting in plugins/comments/comments.setup.php).

CVSS v3
7.6
EG Score
7.6(high)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity76% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 10, 2026

Advisory Details (2)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

Cotonti/plugins/comments/controllers/actions/CreateAction.php at master · Cotonti/Cotonti · GitHub

https://github.com/Cotonti/Cotonti/blob/master/plugins/comments/controllers/actions/CreateAction.php
generic

GitHub - Cotonti/Cotonti: Fast, reliable and flexible PHP CMF/CMS · GitHub

https://github.com/Cotonti/Cotonti

Vendor Advisories for CVE-2026-71294(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 30× in last 7d / 77× 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 02:20 UTCEG score recompute
  2. 2026-08-21 02:20 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 14:20 UTCGHSA enrichment
  5. 2026-08-20 01:05 UTCEG score recompute
  6. 2026-08-20 01:05 UTCGHSA enrichment
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-19 13:04 UTCGHSA enrichment
  9. 2026-08-19 01:02 UTCEG score recompute
  10. 2026-08-19 01:02 UTCGHSA enrichment
  11. 2026-08-18 13:49 UTCEPSS rescore
  12. 2026-08-18 13:49 UTCEPSS rescore
  13. 2026-08-18 13:01 UTCGHSA enrichment
  14. 2026-08-18 00:58 UTCEG score recompute
  15. 2026-08-18 00:58 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 12:23 UTCGHSA enrichment
  18. 2026-08-17 00:23 UTCEG score recompute
  19. 2026-08-17 00:23 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 12:22 UTCEG score recompute
  23. 2026-08-16 12:22 UTCGHSA enrichment
  24. 2026-08-16 02:15 UTCEPSS rescore
  25. 2026-08-16 00:23 UTCGHSA enrichment
Show 52 more
  1. 2026-08-15 12:23 UTCEG score recompute
  2. 2026-08-15 12:23 UTCGHSA enrichment
  3. 2026-08-15 01:31 UTCEPSS rescore
  4. 2026-08-15 00:23 UTCGHSA enrichment
  5. 2026-08-14 12:23 UTCGHSA enrichment
  6. 2026-08-14 00:24 UTCEG score recompute
  7. 2026-08-14 00:24 UTCGHSA enrichment
  8. 2026-08-13 22:00 UTCEPSS rescore
  9. 2026-08-13 12:24 UTCGHSA enrichment
  10. 2026-08-13 00:24 UTCEG score recompute
  11. 2026-08-13 00:24 UTCGHSA enrichment
  12. 2026-08-12 13:51 UTCEPSS rescore
  13. 2026-08-12 12:25 UTCGHSA enrichment
  14. 2026-08-12 00:25 UTCEG score recompute
  15. 2026-08-12 00:25 UTCGHSA enrichment
  16. 2026-08-11 12:25 UTCGHSA enrichment
  17. 2026-08-11 00:23 UTCEG score recompute
  18. 2026-08-11 00:23 UTCGHSA enrichment
  19. 2026-08-11 00:00 UTCEPSS rescore
  20. 2026-08-10 12:24 UTCEG score recompute▼ 0.10
  21. 2026-08-10 12:24 UTCGHSA enrichment
  22. 2026-08-10 12:20 UTCNVD updateCVSS v3 → 7.6
  23. 2026-08-10 11:42 UTCGHSA enrichment
  24. 2026-08-10 11:21 UTCEG score recompute▲ 0.10
  25. 2026-08-10 11:21 UTCGHSA enrichment
  26. 2026-08-10 11:21 UTCMITRE cvelistV5CVSS v3 → 7.7
  27. 2026-08-10 04:26 UTCGHSA enrichment
  28. 2026-08-09 16:27 UTCEG score recompute
  29. 2026-08-09 16:27 UTCGHSA enrichment
  30. 2026-08-09 13:47 UTCEPSS rescore
  31. 2026-08-09 04:27 UTCEG score recompute
  32. 2026-08-09 04:27 UTCGHSA enrichment
  33. 2026-08-08 16:37 UTCEPSS rescore
  34. 2026-08-08 16:28 UTCGHSA enrichment
  35. 2026-08-08 04:28 UTCEG score recompute
  36. 2026-08-08 04:28 UTCGHSA enrichment
  37. 2026-08-07 16:29 UTCGHSA enrichment
  38. 2026-08-07 04:29 UTCGHSA enrichment
  39. 2026-08-06 16:29 UTCEG score recompute
  40. 2026-08-06 16:29 UTCGHSA enrichment
  41. 2026-08-06 13:47 UTCEPSS rescore
  42. 2026-08-06 04:29 UTCGHSA enrichment
  43. 2026-08-05 16:29 UTCEG score recompute▼ 0.10
  44. 2026-08-05 16:29 UTCGHSA enrichment
  45. 2026-08-05 16:27 UTCNVD updateCVSS v3 → 7.6
  46. 2026-08-05 16:12 UTCEG score recompute▲ 0.10
  47. 2026-08-05 16:12 UTCGHSA enrichment
  48. 2026-08-05 16:10 UTCMITRE cvelistV5CVSS v3 → 7.7
  49. 2026-08-05 13:27 UTCEG score recompute▼ 0.10
  50. 2026-08-05 13:25 UTCNVD updateCVSS v3 → 7.6
  51. 2026-08-05 13:07 UTCEG score recompute
  52. 2026-08-05 13:07 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-71294?
CVE-2026-71294 is a high vulnerability published on August 5, 2026. Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be instantiated. In plugins/comments/controllers/actions/CreateAction.php, a POST parameter obtained via (trim-only sanitization) is passed to with no restriction, reachable by any member with…
When was CVE-2026-71294 disclosed?
CVE-2026-71294 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71294 actively exploited?
CVE-2026-71294 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 86.7% of all scored CVEs.
What is the CVSS score of CVE-2026-71294?
CVE-2026-71294 has a CVSS v3 base score of 7.6 (NVD).
How do I remediate CVE-2026-71294?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71294, 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-2026-71294

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