CVE-2026-11993
CVE CVE-2026-11993EUVD EUVD-2026-77361Published 2026-09-14T10:29:19.000ZLast changed 2026-09-14T19:36:34.000ZCVSS 4.3
What the advisory describes
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to properly enforce the limit of concurrent files being processed and handled failed files, which allows a user with permission to upload files to spawn more goroutines than intended and block the indexing of other files via uploading heavy files constantly to the server.. Mattermost Advisory ID: MMSA-2026-00696
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Mattermost — Mattermost 11.8.0 ≤11.8.4; 11.9.0 ≤11.9.0; 10.11.0 ≤10.11.22; 11.7.0 ≤11.7.7
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Mattermost — Mattermost
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