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Multiple vulnerabilities in Curl (02 September 2026)

unknownCVE-2026-80255CVE-2026-13608CVE-2026-82208CVE-2026-80230CVE-2026-19931CVE-2026-18924
Multiple vulnerabilities were discovered in Curl. Some of them allow an attacker to cause data confidentiality breach, data integrity breach and security policy bypass.

CSIRTS triage

vendor: Curlproduct: CurlInformation disclosureCode injectionAuthentication bypass
What
Multiple vulnerabilities in Curl enable data confidentiality breach, data integrity breach, and security policy bypass.
Who is affected
Systems using vulnerable versions of Curl are affected.
Urgency
Moderate to high urgency due to integrity and confidentiality risks.
Action
Update Curl to a patched version as specified in the security advisory.

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

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Details

Source
CERT-FR Avis de sécurité (FR · national-cert · site)
Severity
unknown
Published
2026-09-02
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1108/

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-80255coverage & exploitation statusNVD · CVE.org
CVE-2026-13608coverage & exploitation statusNVD · CVE.org
CVE-2026-82208coverage & exploitation statusNVD · CVE.org
CVE-2026-80230coverage & exploitation statusNVD · CVE.org
CVE-2026-19931coverage & exploitation statusNVD · CVE.org
CVE-2026-18924coverage & exploitation statusNVD · CVE.org
CVE-2026-82209coverage & exploitation statusNVD · CVE.org
CVE-2026-80229coverage & exploitation statusNVD · CVE.org
CVE-2026-80231coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Curl

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.

More from CERT-FR Avis de sécurité