CVE-2026-115474
mediumZulip is an open-source team collaboration tool.
Zulip is an open-source team collaboration tool. From 8.0 until 12.2, in organizations where the Who can view all other users in the organization setting restricted guests from viewing other users, saving or editing a direct message draft did not verify that the sender could access the draft recipients. A guest could thereby gain access to otherwise restricted users' profile information without sending a message. Organizations that did not restrict guest access were unaffected. This issue is fixed in version 12.2.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/zulip/zulip/commit/1127d4cd3cc17a3cc38435ce57ed52b083c33f97 security-advisories@github.com
- https://github.com/zulip/zulip/commit/83a4a3a966e6eef11914b80f04426ae114a1970d security-advisories@github.com
- https://github.com/zulip/zulip/pull/39913 security-advisories@github.com
- https://github.com/zulip/zulip/releases/tag/12.2 security-advisories@github.com
- https://github.com/zulip/zulip/security/advisories/GHSA-vwqp-7j32-xfg5 security-advisories@github.com
- https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-12-2 security-advisories@github.com