CVE-2021-3907

OctoRPKI does not escape a URI with a filename containing "..", this allows a repository to create a file, (ex. rsync://example.org/repo/../../etc/cron.daily/evil.roa), which would then be written to disk outside the base cache folder. This could allow for remote code execution on the host machine OctoRPKI is running on.

• CWE-20
• CWE-22
• CWE-22

• https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959Third Party Advisory
• https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fhThird Party Advisory
• https://www.debian.org/security/2021/dsa-5033Third Party Advisory
• https://www.debian.org/security/2022/dsa-5041Third Party Advisory
• https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959Third Party Advisory
• https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fhThird Party Advisory
• https://www.debian.org/security/2021/dsa-5033Third Party Advisory
• https://www.debian.org/security/2022/dsa-5041Third Party Advisory

Published

Nov 11, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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