CVE-2026-80255
A remote attacker can exploit multiple vulnerabilities in cURL to bypass security mechanisms, disclose information, and cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities in cURL enable security mechanism bypass, information disclosure, and denial of service.
- Who is affected
- Applications and systems using affected versions of cURL for HTTP operations.
- Urgency
- Medium; multiple issues exist but none are critical remote code execution vulnerabilities.
- Action
- Update cURL to the latest patched version and test dependent applications for compatibility.
AI-assisted analysis generated from the source advisory — verify against the original.
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Advisory coverage (2)
- medium[NEW] [medium] cURL: Multiple vulnerabilitiescert-bund · 2026-09-02
- unknownMultiple vulnerabilities in Curl (02 September 2026)cert-fr-avis · 2026-09-02
External references
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[](https://www.csirts.com/cve/CVE-2026-80255)