Low severity3.1NVD Advisory· Published Dec 2, 2025· Updated Jun 17, 2026
CVE-2025-13870
CVE-2025-13870
Description
Mattermost versions 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate the user permission when accessing the files and subscribing to the block in Boards, which allows an authenticated user to access other board files and was able to subscribe to the block from other boards that the user does not have access to
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/mattermost/mattermost/server/v8Go | < 8.0.0-20250905150616-ba86dfc5876b | 8.0.0-20250905150616-ba86dfc5876b |
github.com/mattermost/mattermostGo | >= 10.11.0, < 10.11.5 | 10.11.5 |
github.com/mattermost/mattermostGo | >= 10.5.0, < 10.5.13 | 10.5.13 |
Affected products
710.11.0+ 1 more
- (no CPE)range: 10.11.0
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: >=10.5.0,<10.5.13
- ghsa-coords5 versionspkg:golang/github.com/mattermost/mattermost/server/v8pkg:golang/github.com/mattermost/mattermostpkg:rpm/suse/govulncheck-vulndb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
< 8.0.0-20250905150616-ba86dfc5876b+ 4 more
- (no CPE)range: < 8.0.0-20250905150616-ba86dfc5876b
- (no CPE)range: >= 10.11.0, < 10.11.5
- (no CPE)range: < 0.0.20251209T172047-150000.1.127.1
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
- (no CPE)range: < 0.0.20251209T172047-150000.1.127.1
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-58w6-w55x-6wq8ghsaADVISORY
- mattermost.com/security-updatesnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2025-13870ghsaADVISORY
- github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149ghsaWEB
News mentions
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