Low severity3.1OSV Advisory· Published Dec 17, 2025· Updated Jun 17, 2026
CVE-2025-62690
CVE-2025-62690
Description
Mattermost versions 10.11.x <= 10.11.4 fail to validate redirect URLs on the /error page, which allows an attacker to redirect a victim to a malicious site via a crafted link opened in a new tab.
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 | >= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20251016131338-dad6bd7a1509 | 8.0.0-20251016131338-dad6bd7a1509 |
github.com/mattermost/mattermostGo | >= 10.11.0-rc1, < 10.11.5-0.20251016131338-dad6bd7a1509 | 10.11.5-0.20251016131338-dad6bd7a1509 |
github.com/mattermost/mattermostGo | >= 11.0.0-alpha.1, < 11.1.0 | 11.1.0 |
Affected products
6- ghsa-coords4 versionspkg:golang/github.com/mattermost/mattermost/server/v8pkg:golang/github.com/mattermost/mattermostpkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6
>= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20251016131338-dad6bd7a1509+ 3 more
- (no CPE)range: >= 8.0.0-20250721062209-4952acea88ce, < 8.0.0-20251016131338-dad6bd7a1509
- (no CPE)range: >= 10.11.0-rc1, < 10.11.5-0.20251016131338-dad6bd7a1509
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
- (no CPE)range: < 0.0.20260114T191543-150000.1.137.1
@mattermost/[email protected], @mattermost/[email protected], [email protected], …+ 1 more
- (no CPE)range: @mattermost/[email protected], @mattermost/[email protected], [email protected], …
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*range: >=10.11.0,<10.11.5
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-q66g-q98c-q454ghsaADVISORY
- mattermost.com/security-updatesnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2025-62690ghsaADVISORY
- github.com/mattermost/mattermost/commit/dad6bd7a1509054580a0898bbc0e026aac3b30cbghsaWEB
News mentions
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