{"cve":"CVE-2025-62690","nvd":{"published":"2025-12-17T13:15:58.510","modified":"2026-10-13T11:10:00.203","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-601"],"references":["https://mattermost.com/security-updates"],"products":["mattermost:mattermost_server"],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2025-62690","score":0.00149,"percentile":0.04024,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-q66g-q98c-q454","url":"https://osv.dev/vulnerability/GHSA-q66g-q98c-q454","summary":"Mattermost has missing redirect URL validation","modified":"2026-01-14T20:26:48.145018Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":[">=8.0.0-20250721062209-4952acea88ce <8.0.0-20251016131338-dad6bd7a1509"],"fixed":["8.0.0-20251016131338-dad6bd7a1509"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost","purl":"pkg:golang/github.com/mattermost/mattermost","ranges":[">=10.11.0-rc1 <10.11.5-0.20251016131338-dad6bd7a1509"],"fixed":["10.11.5-0.20251016131338-dad6bd7a1509"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost","purl":"pkg:golang/github.com/mattermost/mattermost","ranges":[">=11.0.0-alpha.1 <11.1.0"],"fixed":["11.1.0"]}]},{"id":"GO-2025-4248","url":"https://osv.dev/vulnerability/GO-2025-4248","summary":"Mattermost has missing redirect URL validation in github.com/mattermost/mattermost","modified":"2026-03-03T04:57:48.406500Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost","purl":"pkg:golang/github.com/mattermost/mattermost","ranges":[">=10.11.0-rc1+incompatible <11.1.0+incompatible"],"fixed":["11.1.0+incompatible"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v5","purl":"pkg:golang/github.com/mattermost/mattermost-server/v5","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","ranges":[">=8.0.0-20250721062209-4952acea88ce <8.0.0-20251016131338-dad6bd7a1509"],"fixed":["8.0.0-20251016131338-dad6bd7a1509"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}