CVE-2026-115474 (GCVE-0-2026-115474)

Vulnerability from cvelistv5 – Published: 2026-11-04 19:13 – Updated: 2026-11-05 19:20
VLAI
Title
Zulip: Saving a draft DM to a user bypasses can_access_all_users_group permission
Summary
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.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 19:20 UTC
CWE
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 8094 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
zulip zulip Affected: >= 8.0, < 12.2
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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