CVE-2026-65581

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-06. A secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Unauthenticated PHP Object Injection in AI ANN <= 1.29.0 versions.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
59
EG Risk 59/100CISA SSVC

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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.6%
EPSS %ILE
44th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Oct 1, 2026
Patch available.
generic Patch Available

PHP Object Injection in WordPress AI ANN Theme - Patchstack

https://patchstack.com/database/wordpress/theme/ann/vulnerability/wordpress-ai-ann-theme-1-29-0-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-65581(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 24× in last 7d / 146× 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 359 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-65581?
CVE-2026-65581 is a critical vulnerability published on August 6, 2026. Unauthenticated PHP Object Injection in AI ANN <= 1.29.0 versions.
When was CVE-2026-65581 disclosed?
CVE-2026-65581 was first published on August 6, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-65581 actively exploited?
CVE-2026-65581 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (44th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-65581?
CVE-2026-65581 has a CVSS base score of 9.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-65581?
A fix for CVE-2026-65581 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-65581 are linked in the Vendor Advisories panel on this page.

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