[UPDATE] [medium] PostgreSQL: Multiple vulnerabilities

mediumCVE-2023-39417 CVE-2023-39418

A remote authenticated attacker can exploit multiple vulnerabilities in PostgreSQL to execute arbitrary code or bypass security measures.

CSIRTS triage

vendor: PostgreSQL product: PostgreSQL Remote code execution Authentication bypass

What: Multiple vulnerabilities allow a remote authenticated attacker to execute arbitrary code or bypass security measures.
Who is affected: Remote authenticated users of PostgreSQL.
Urgency: Remediation is important due to the potential for arbitrary code execution and security bypass.
Action: Apply the latest security updates provided by PostgreSQL.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-09
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-2038

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Moderate exploitation riskCVE-2023-394171.7% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 75% of all EPSS-scored CVEs.
Moderate exploitation riskCVE-2023-394181.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 62% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2023-39417	coverage & exploitation status	NVD · CVE.org
CVE-2023-39418	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[UPDATE] [high] IBM Security Verify Access: Multiple vulnerabilitiescert-bund
unknownDSA-6385-1 pgextwlist - security updatedebian
criticalGitLab Security Release: 16.6.1, 16.5.3, 16.4.3gitlab
criticalGitLab Security Release: 16.6.1, 16.5.3, 16.4.3gitlab

Recent advisories for PostgreSQL

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

high[NEW] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-08-25
medium[UPDATE] [medium] PostgreSQL JDBC Driver: Vulnerability allows Denial of Servicecert-bund · 2026-08-25
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high[UPDATE] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-08-21
high[UPDATE] [high] PostgreSQL: Multiple vulnerabilitiescert-bund · 2026-08-21
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