CVE-2026-1629
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
Mattermost versions 10.11.x <= 10.11.10 Fail to invalidate cached permalink preview data when a user loses channel access which allows the user to continue viewing private channel content via previously cached permalink previews until cache reset or relogin.. Mattermost Advisory ID: MMSA-2026-00580
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 10.11.0 <= 10.11.10 | affected |
| Mattermost | Mattermost | 11.4.0 | unaffected |
| Mattermost | Mattermost | 10.11.11 | unaffected |
Weaknesses
- CWE-672: CWE-672: Operation on a Resource after Expiration or Release
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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