CVE-2026-2005

HIGHNVD 8.88.8—Trending — 4 sources updated this weekElevated

8.8

Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 12.2%
KEV: Not listed

Published

February 12, 2026

Last Modified

February 20, 2026

References (1)

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007https://www.postgresql.org/support/security/CVE-2026-2005/

Vendor Advisories for CVE-2026-2005(1)

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

RHSA-2026:4943
Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Update Infrastructure 5.1 security update

Patch Availability(30)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	postgresql16-0:16.13-1.el10_2	2026-05-19	redhat
redhat	postgresql18-0:18.3-1.el10_2	2026-05-19	redhat
redhat	postgresql18-main-18.3-1.2.hum1	2026-04-17	redhat
redhat	rhui5/rhua-rhel9:1773670137	2026-03-18	redhat
redhat	postgresql-0:13.23-1.el9_0.1	2026-03-12	redhat
redhat	postgresql-0:13.23-1.el9_2.1	2026-03-12	redhat
redhat	postgresql:15-9040020260305163703.rhel9	2026-03-12	redhat
redhat	postgresql:15-9060020260309125703.rhel9	2026-03-12	redhat
redhat	postgresql16-0:16.13-1.el10_0	2026-03-12	redhat
redhat	postgresql:13-8060020260309111524.ad008a3a	2026-03-12	redhat
redhat	postgresql:15-8080020260306092921.63b34585	2026-03-12	redhat
redhat	postgresql:16-9060020260305153549.rhel9	2026-03-12	redhat
redhat	postgresql:12-8020020260309120440.4cda2c84	2026-03-12	redhat
redhat	postgresql:13-8040020260305144728.522a0ee4	2026-03-12	redhat
redhat	postgresql:12-8040020260306101701.522a0ee4	2026-03-12	redhat
redhat	postgresql:12-8060020260306113941.ad008a3a	2026-03-12	redhat
redhat	postgresql-0:13.23-1.el9_4.1	2026-03-12	redhat
redhat	postgresql-0:13.23-1.el9_6.1	2026-03-12	redhat
redhat	postgresql:16-9040020260306102041.rhel9	2026-03-12	redhat
redhat	postgresql:15-9020020260309133405.rhel9	2026-03-11	redhat
redhat	postgresql:16-9070020260227095951.rhel9	2026-03-09	redhat
redhat	postgresql:13-8080020260302123717.63b34585	2026-03-09	redhat
redhat	postgresql:12-8100020260302082007.489197e6	2026-03-09	redhat
redhat	postgresql:15-8100020260227221316.489197e6	2026-03-09	redhat
redhat	postgresql:16-8100020260227221401.489197e6	2026-03-09	redhat
redhat	postgresql:13-8100020260227180702.489197e6	2026-03-09	redhat
redhat	postgresql:12-8080020260302123049.63b34585	2026-03-09	redhat
redhat	postgresql16-0:16.13-1.el10_1	2026-03-05	redhat
redhat	postgresql:15-9070020260227094950.rhel9	2026-03-05	redhat
redhat	postgresql-0:13.23-2.el9_7	2026-03-04	redhat

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.

Weakness Classification(1)

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

CWE-122Heap-based Buffer Overflow

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 14:00 UTCEG score recompute
2026-05-29 14:00 UTCVendor advisory
2026-05-29 14:00 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCvar77/CVE-2026-2005
First seen May 13, 2026
PoC for CVE-2026-2005
Open source ↗

Frequently asked(5)

What is CVE-2026-2005?

CVE-2026-2005 is a high vulnerability published on February 12, 2026. Heap buffer overflow in PostgreSQL pgcrypto allows a ciphertext provider to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

When was CVE-2026-2005 disclosed?

CVE-2026-2005 was first published in the National Vulnerability Database on February 12, 2026, with the most recent update on February 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-2005 actively exploited?

CVE-2026-2005 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-2005?

CVE-2026-2005 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2026-2005?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2005, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-2005

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