CVE-2025-62690
published 2025-12-17CVE-2025-62690: 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…
PriorityP427medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.13%
2.7th percentile
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.
Affected
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost | >= 10.11.0-rc1 < 10.11.5-0.20251016131338-dad6bd7a1509 | 10.11.5-0.20251016131338-dad6bd7a1509 |
| github.com | mattermost_mattermost | >= 10.11.0-rc1+incompatible < 11.1.0+incompatible | 11.1.0+incompatible |
| github.com | mattermost_mattermost | >= 11.0.0-alpha.1 < 11.1.0 | 11.1.0 |
| github.com | mattermost_mattermost_server_v8 | >= 8.0.0-20250721062209-4952acea88ce < 8.0.0-20251016131338-dad6bd7a1509 | 8.0.0-20251016131338-dad6bd7a1509 |
| mattermost | mattermost | 10.11.0 – 10.11.4 | — |
| mattermost | mattermost_server | >= 10.11.0 < 10.11.5 | 10.11.5 |
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OSV
Mattermost has missing redirect URL validation in github.com/mattermost/mattermost
osv·2026-01-14
CVE-2025-62690 Mattermost has missing redirect URL validation in github.com/mattermost/mattermost
Mattermost has missing redirect URL validation in github.com/mattermost/mattermost
Mattermost has missing redirect URL validation in github.com/mattermost/mattermost.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: github.com/mattermost/mattermost before v10.11.5-0.20251016131338-dad6bd7a1509.
OSV
Mattermost has missing redirect URL validation
osv·2025-12-17
CVE-2025-62690 [LOW] Mattermost has missing redirect URL validation
Mattermost has missing redirect URL validation
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.
GHSA
Mattermost has missing redirect URL validation
ghsa·2025-12-17
CVE-2025-62690 [LOW] CWE-601 Mattermost has missing redirect URL validation
Mattermost has missing redirect URL validation
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.
No detection rules found.
No public exploits indexed.
2025-12-17
Published