CVE-2026-27391

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-07-23. a secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: None knownExposed: 0

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

Subscriber Broken Access Control in uListing <= 2.2.0 versions.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity54% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

July 23, 2026

Last Modified

July 23, 2026

Advisory Details (1)

Auto-updated Jul 23, 2026
No patch confirmed yet.
generic

undefined in undefined undefined undefined - Patchstack

https://patchstack.com/database/wordpress/plugin/ulisting/vulnerability/wordpress-ulisting-plugin-2-2-0-broken-access-control-vulnerability-2?_s_id=cve

Vendor Advisories for CVE-2026-27391(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 14× in last 7d / 66× 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 132 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-27391?
CVE-2026-27391 is a medium vulnerability published on July 23, 2026. Subscriber Broken Access Control in uListing <= 2.2.0 versions.
When was CVE-2026-27391 disclosed?
CVE-2026-27391 was first published in the National Vulnerability Database on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-27391 actively exploited?
CVE-2026-27391 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 78.8% of all scored CVEs.
What is the CVSS score of CVE-2026-27391?
CVE-2026-27391 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-27391?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27391, 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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