CVE-2026-115474Zulip: Saving a draft DM to a user bypasses can_access_all_users_group permission
- 6.5MediumCVSS base score
- 0.33%Exploitation in 30 daysEPSS · top 73% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By GitHub_M
- 13 days later
· 13 days later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Awaiting Analysis | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.33% · top 73% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
References
References6
- https://github.com/zulip/zulip/security/advisories/GHSA-vwqp-7j32-xfg5 (opens in a new tab)x_refsource_CONFIRM
- https://github.com/zulip/zulip/pull/39913 (opens in a new tab)x_refsource_MISC
- https://github.com/zulip/zulip/commit/1127d4cd3cc17a3cc38435ce57ed52b083c33f97 (opens in a new tab)x_refsource_MISC
- https://github.com/zulip/zulip/commit/83a4a3a966e6eef11914b80f04426ae114a1970d (opens in a new tab)x_refsource_MISC
- https://github.com/zulip/zulip/releases/tag/12.2 (opens in a new tab)x_refsource_MISC
- https://zulip.readthedocs.io/en/latest/overview/changelog.html#zulip-server-12-2 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-117034 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-115474)Record last updated .