CVE-2026-13455

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-06-30. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

PostgreSQL Anonymizer contains a vulnerability that allows unprivileged masked users to repeatedly call the anon.hash() function and collects (seed, hash_output) pairs to perform an offline brute-force attack and deduce the salt. The problem is resolved in PostgreSQL Anonymizer 3.1.2 and later versions

CVSS v3
4.3
EG Score
4.3(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
Severity43% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 6, 2026

Advisory Details (1)

Auto-updated Jun 30, 2026
No patch confirmed yet.
generic

anon.hash() is missing the RESTRICTED label, so a masked role can use it as a hashing oracle (#649) · Issues · dalibo / PostgreSQL Anonymizer · GitLab

https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/649

Vendor Advisories for CVE-2026-13455(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 16× in last 7d / 79× 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 123 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-13455?
CVE-2026-13455 is a medium vulnerability published on June 30, 2026. PostgreSQL Anonymizer contains a vulnerability that allows unprivileged masked users to repeatedly call the anon.hash() function and collects (seed, hash_output) pairs to perform an offline brute-force attack and deduce the salt. The problem is resolved in PostgreSQL Anonymizer 3.1.2 and later…
When was CVE-2026-13455 disclosed?
CVE-2026-13455 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13455 actively exploited?
CVE-2026-13455 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 91.6% of all scored CVEs.
What is the CVSS score of CVE-2026-13455?
CVE-2026-13455 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-13455?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13455, 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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