CVE-2026-6464

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. A secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — Patch released this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the "COPY FROM STDIN" or "\copy FROM STDIN" command fails before the server indicates that it awaits input rows, psql processes the in-line data rows as psql commands. "COPY FROM" with a filename is unaffected. The server administrator has no inherent control over the data rows, so a complete attack requires the attacker to separately acquire control of both the server and the data rows. Alternatively, an attacker controlling data rows alone might complete an attack through a coincidental error that they don't control. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
37
EG Risk 37/100CISA 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
27th
KEV
Not listed

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

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (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 13, 2026

Last Modified

August 29, 2026

Advisory Details (1)

Auto-updated Aug 13, 2026
Patch available.
generic

PostgreSQL: CVE-2026-6464: PostgreSQL psql COPY FROM STDIN early failure processes data lines as psql commands

https://www.postgresql.org/support/security/CVE-2026-6464/

Vendor Advisories for CVE-2026-6464(20)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(24)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntupostgresql-server-dev-18 (18.6-0ubuntu0.26.04.1) @ resolute2026-10-04ubuntu
redhatpostgresql:12-8040020260924163759.522a0ee42026-09-30redhat
redhatansible-automation-platform/bootc-automation-portal-rhel9:17906573742026-09-29redhat
redhatpostgresql-0:13.23-1.el9_6.52026-09-28redhat
redhatpostgresql:12-8080020260923144922.63b345852026-09-28redhat
redhatpostgresql:12-8060020260923144955.ad008a3a2026-09-28redhat
redhatpostgresql-0:13.23-1.el9_2.52026-09-28redhat
redhatpostgresql-0:13.23-1.el9_4.42026-09-28redhat
redhatpostgresql16-0:16.15-1.el10_02026-09-28redhat
redhatrhui5/rhua-rhel9:17902420042026-09-24redhat
redhatpostgresql:16-9040020260922062609.rhel92026-09-23redhat
redhatpostgresql:15-8080020260921162003.63b345852026-09-23redhat
redhatpostgresql:15-9040020260917091622.rhel92026-09-23redhat
redhatpostgresql:16-9060020260921091101.rhel92026-09-23redhat
redhatpostgresql:15-9020020260917092006.rhel92026-09-23redhat
redhatpostgresql:12-8100020260917081510.489197e62026-09-23redhat
redhatpostgresql:15-8100020260906175012.489197e62026-09-22redhat
redhatpostgresql16-0:16.15-1.el10_22026-09-22redhat
redhatpostgresql:16-8100020260910192321.489197e62026-09-22redhat
redhatpostgresql:15-9080020260903073937.rhel92026-09-22redhat
redhatpostgresql-0:13.23-6.el9_82026-09-22redhat
redhatpostgresql:18-9080020260914093252.rhel92026-09-16redhat
redhatpostgresql:16-9080020260907191505.rhel92026-09-15redhat
redhatpostgresql18-0:18.6-1.el10_22026-09-14redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(11 across 7 ecosystems)
Alpine:v3.21(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql16—
  • every version up to 16.15-r0: fixed in 16.15-r0
—
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
Alpine:v3.22(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql16—
  • every version up to 16.15-r0: fixed in 16.15-r0
—
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
Alpine:v3.23(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
postgresql18—
  • every version up to 18.5-r0: fixed in 18.5-r0
—
Alpine:v3.24(2)
PackageVulnerable rangeFix by version rangeDependents
postgresql17—
  • every version up to 17.11-r0: fixed in 17.11-r0
—
postgresql18—
  • every version up to 18.5-r0: fixed in 18.5-r0
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
postgresql-1515.10-0+deb12u1 ... 15.9-0+deb12u1 (21 versions)
  • every version up to 15.19-0+deb12u1: fixed in 15.19-0+deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
postgresql-1717.10-0+deb13u1 ... 17.9-0+deb13u1 (7 versions)
  • every version up to 17.11-0+deb13u1: fixed in 17.11-0+deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
postgresql-1818.0-1 ... 18~~devel.20250502-1 (20 versions)
  • every version up to 18.6-1: fixed in 18.6-1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 29× in last 7d / 139× 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 263 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-6464?
CVE-2026-6464 is a high vulnerability published on August 13, 2026. Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data lines as psql commands, via error injection. If the "COPY FROM STDIN" or "\copy FROM STDIN" command fails before the server indicates that it awaits input rows, psql processes the in-line…
When was CVE-2026-6464 disclosed?
CVE-2026-6464 was first published on August 13, 2026, with the most recent update on August 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-6464 actively exploited?
CVE-2026-6464 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (27th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-6464?
CVE-2026-6464 has a CVSS base score of 8.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-6464?
A fix for CVE-2026-6464 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-6464 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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