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CVE-2026-25742

MEDIUM
5.3

Descricao

Zulip is an open-source team collaboration tool. Prior to version 11.6, Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, even after spectator access (enable_spectator_access / WEB_PUBLIC_STREAMS_ENABLED) is disabled, attachments originating from web-public streams can still be retrieved anonymously. As a result, file contents remain accessible even after public access is intended to be disabled. Similarly, even after spectator access is disabled, the /users/me/<stream_id>/topics endpoint remains reachable anonymously, allowing retrieval of topic history for web-public streams. This issue has been patched in version 11.6. This issue has been patched in version 11.6.

Detalhes CVE

Pontuacao CVSS v3.15.3
SeveridadeMEDIUM
Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vetor de ataqueNETWORK
ComplexidadeLOW
Privilegios necessariosNONE
Interacao do usuarioNONE
Publicado4/3/2026
Ultima modificacao4/3/2026
Fontenvd
Avistamentos honeypot0

Fraquezas (CWE)

CWE-862

Referencias

https://github.com/zulip/zulip/commit/3c045414299680b9f5dca7d76cf6cef6121c0236(security-advisories@github.com)
https://github.com/zulip/zulip/commit/41e23347b5218b3b0397a55176c7d97396735bae(security-advisories@github.com)
https://github.com/zulip/zulip/releases/tag/11.6(security-advisories@github.com)
https://github.com/zulip/zulip/security/advisories/GHSA-f47p-xjqq-g28w(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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