PT-2025-37469 · Mattermost · Mattermost

Juho Forsén · Published 2025-08-08 · Updated 2025-09-22 · CVE-2025-9084

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.5.0 through 10.5.9

Description Mattermost versions 10.5.x fail to properly validate redirect URLs, allowing attackers to redirect users to malicious sites via crafted OAuth login URLs.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

BDU:2025-11488

CVE-2025-9084

GHSA-HM95-JX66-G2GH

GO-2025-3960

OPENSUSE-SU-2025:15564-1

SUSE-SU-2025:03289-1

Affected Products

Mattermost

References · 52

• 🔥 https://advisories.gitlab.com/pkg/golang/github.com/mattermost/mattermost/server/v8/CVE-2025-9084 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-9084 · Security Note
• https://bdu.fstec.ru/vul/2025-11488 · Security Note
• https://osv.dev/vulnerability/GO-2025-3960 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03289-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-hm95-jx66-g2gh · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15564-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-9084 · Vendor Advisory
• https://mattermost.com/security-updates · Vendor Advisory
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/commit/39bd251fe4f66b7e847fc6d653221886347ff160 · Note
• https://suse.com/security/cve/CVE-2025-8077 · Note
• https://t.me/CVEtracker/32501 · Telegram Post
• https://suse.com/security/cve/CVE-2025-56760 · Note
• https://suse.com/security/cve/CVE-2025-58355 · Note