CVEvulnerability

CVE-2026-25742

5.3 MEDIUM Published 2026-04-03 Modified 2026-07-24 Official page ↗
Status
Analyzed
Published
2026-04-03
Last modified
2026-07-24
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-862

Description

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.

Affected configurations

• zulip zulip (>= 1.4.0 < 11.6)

Related

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References