MEDIUM 5.3 NVD
CVE-2026-91146
Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post content and profile summaries, allowing remote actors to inject javascri
Takahe through 0.11.0 fails to restrict URL schemes in link hrefs within federated post content and profile summaries, allowing remote actors to inject javascript: links. Attackers can deliver federated content with malicious javascript: hrefs that execute in the instance origin when clicked, enabling session hijacking or impersonation of viewers.
References
- https://github.com/jointakahe/takahe
- https://github.com/jointakahe/takahe/blob/0.11.0/core/html.py
- https://github.com/jointakahe/takahe/issues/728
- https://www.vulncheck.com/advisories/takahe-through-0.11.0-cross-site-scripting-via-javasc
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-09-14 via NVD.
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