CVE-2026-5121
A remote attacker can exploit a vulnerability in libarchive to execute arbitrary code.
CSIRTS triage
- What
- A vulnerability allows code execution.
- Who is affected
- A remote attacker can exploit this vulnerability.
- Urgency
- Remediation is medium urgency as the severity is moderate.
- Action
- Patch libarchive to the latest version to address the vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk1.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 61% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] libarchive: Vulnerability allows code executioncert-bund · 2026-07-06
External references
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[](https://www.csirts.com/cve/CVE-2026-5121)