Vulnerabilities

Aggregated CVE / GHSA / KEV / OSV — filter by tag and category.

Filtering: Tag: mattermost Clear
ID Title
CVE-2026-9693 Vulnerability in mattermost (CVE-2026-9693)
vulnerability in mattermost (CVE-2026-9693). Risk of unauthorized operations or information disclosure.
CVE-2026-75587 Information Disclosure in mattermost (CVE-2026-75587)
vulnerability in mattermost (CVE-2026-75587). Risk of unauthorized operations or information disclosure.
CVE-2026-9859 Authorization Flaw in mattermost (CVE-2026-9859)
vulnerability in mattermost (CVE-2026-9859). Confidential information can be exposed externally.
CVE-2026-9816 Authorization Flaw in mattermost (CVE-2026-9816)
vulnerability in mattermost (CVE-2026-9816). Data can be tampered with by attackers. Exploitable via `POST /api/v2/boards/{boardID}/members`.
CVE-2026-10080 Vulnerability in mattermost (CVE-2026-10080)
vulnerability in mattermost (CVE-2026-10080). Risk of unauthorized operations or information disclosure.
CVE-2026-16047 Vulnerability in mattermost (CVE-2026-16047)
vulnerability in mattermost (CVE-2026-16047). Risk of unauthorized operations or information disclosure.
CVE-2026-15754 Authorization Flaw in mattermost (CVE-2026-15754)
vulnerability in mattermost (CVE-2026-15754). Data can be tampered with by attackers.
CVE-2026-16044 Authorization Flaw in mattermost (CVE-2026-16044)
vulnerability in mattermost (CVE-2026-16044). Risk of unauthorized operations or information disclosure.
CVE-2026-16045 Authorization Flaw in mattermost (CVE-2026-16045)
vulnerability in mattermost (CVE-2026-16045). Risk of unauthorized operations or information disclosure.
CVE-2026-10527 Authorization Flaw in mattermost (CVE-2026-10527)
vulnerability in mattermost (CVE-2026-10527). Risk of unauthorized operations or information disclosure.
CVE-2026-16046 Authorization Flaw in mattermost (CVE-2026-16046)
vulnerability in mattermost (CVE-2026-16046). Risk of unauthorized operations or information disclosure.
CVE-2026-16048 Authorization Flaw in mattermost (CVE-2026-16048)
vulnerability in mattermost (CVE-2026-16048). Risk of unauthorized operations or information disclosure.
CVE-2026-14298 Vulnerability in dos (CVE-2026-14298)
vulnerability in dos (CVE-2026-14298). Risk of unauthorized operations or information disclosure.
CVE-2026-7521 Path Traversal in mattermost (CVE-2026-7521)
path traversal in mattermost (CVE-2026-7521). Risk of unauthorized operations or information disclosure.
CVE-2026-10819 Vulnerability in dos (CVE-2026-10819)
vulnerability in dos (CVE-2026-10819). Risk of unauthorized operations or information disclosure.
CVE-2026-10600 Vulnerability in mattermost (CVE-2026-10600)
vulnerability in mattermost (CVE-2026-10600). Risk of unauthorized operations or information disclosure.
CVE-2026-9602 Vulnerability in mattermost (CVE-2026-9602)
vulnerability in mattermost (CVE-2026-9602). Risk of unauthorized operations or information disclosure.
CVE-2026-8075 Vulnerability in mattermost (CVE-2026-8075)
vulnerability in mattermost (CVE-2026-8075). Risk of unauthorized operations or information disclosure.
CVE-2026-6541 Vulnerability in mattermost (CVE-2026-6541)
vulnerability in mattermost (CVE-2026-6541). Risk of unauthorized operations or information disclosure.
CVE-2026-9820 Vulnerability in mattermost (CVE-2026-9820)
vulnerability in mattermost (CVE-2026-9820). Risk of unauthorized operations or information disclosure.
CVE-2026-9824 Vulnerability in mattermost (CVE-2026-9824)
vulnerability in mattermost (CVE-2026-9824). Risk of unauthorized operations or information disclosure.
CVE-2026-9708 Vulnerability in mattermost (CVE-2026-9708)
vulnerability in mattermost (CVE-2026-9708). Data can be tampered with by attackers.
CVE-2026-9597 Vulnerability in mattermost (CVE-2026-9597)
vulnerability in mattermost (CVE-2026-9597). Risk of unauthorized operations or information disclosure.
CVE-2026-9571 Vulnerability in mattermost (CVE-2026-9571)
vulnerability in mattermost (CVE-2026-9571). Confidential information can be exposed externally.
CVE-2026-6850 Vulnerability in dos (CVE-2026-6850)
vulnerability in dos (CVE-2026-6850). Risk of unauthorized operations or information disclosure.
CVE-2026-10106 Authorization Flaw in mattermost (CVE-2026-10106)
vulnerability in mattermost (CVE-2026-10106). Data can be tampered with by attackers.
CVE-2026-10103 Vulnerability in mattermost (CVE-2026-10103)
vulnerability in mattermost (CVE-2026-10103). Risk of unauthorized operations or information disclosure.
CVE-2026-10085 Vulnerability in mattermost (CVE-2026-10085)
vulnerability in mattermost (CVE-2026-10085). Risk of unauthorized operations or information disclosure.
CVE-2026-4339 SSRF (Server-Side Request Forgery) in ssrf (CVE-2026-4339)
SSRF in ssrf (CVE-2026-4339). Confidential information can be exposed externally.
CVE-2026-3472 Vulnerability in mattermost (CVE-2026-3472)
vulnerability in mattermost (CVE-2026-3472). Risk of unauthorized operations or information disclosure.
CVE-2026-2299 Vulnerability in mattermost (CVE-2026-2299)
vulnerability in mattermost (CVE-2026-2299). Risk of unauthorized operations or information disclosure.
CVE-2026-8823 Authorization Flaw in mattermost (CVE-2026-8823)
vulnerability in mattermost (CVE-2026-8823). Risk of unauthorized operations or information disclosure.
CVE-2026-9162 Vulnerability in mattermost (CVE-2026-9162)
vulnerability in mattermost (CVE-2026-9162). Risk of unauthorized operations or information disclosure.
CVE-2026-8074 Authorization Flaw in mattermost (CVE-2026-8074)
vulnerability in mattermost (CVE-2026-8074). Risk of unauthorized operations or information disclosure. Exploitable via `PUT /api/v4/users/{id}/active`.
CVE-2026-6673 Vulnerability in mattermost (CVE-2026-6673)
vulnerability in mattermost (CVE-2026-6673). Data can be tampered with by attackers.
CVE-2026-6062 Vulnerability in mattermost (CVE-2026-6062)
vulnerability in mattermost (CVE-2026-6062). Confidential information can be exposed externally.
CVE-2026-5139 Vulnerability in mattermost (CVE-2026-5139)
vulnerability in mattermost (CVE-2026-5139). Risk of unauthorized operations or information disclosure.
CVE-2026-8683 Vulnerability in mattermost (CVE-2026-8683)
vulnerability in mattermost (CVE-2026-8683). Risk of unauthorized operations or information disclosure.
CVE-2026-6517 Vulnerability in mattermost (CVE-2026-6517)
vulnerability in mattermost (CVE-2026-6517). Confidential information can be exposed externally.
CVE-2026-7387 Authorization Flaw in github.com/mattermost/mattermost-server (CVE-2026-7387)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-7387). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `10.11.17` or later.
CVE-2026-6739 Authorization Flaw in github.com/mattermost/mattermost-server (CVE-2026-6739)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-6739). Confidential information can be exposed externally. Mitigation: upgrade to `10.11.17` or later.
CVE-2026-3433 Information Disclosure in github.com/mattermost/mattermost-server (CVE-2026-3433)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-3433). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `10.11.17` or later.
CVE-2026-6961 Path Traversal in github.com/mattermost/mattermost-server (CVE-2026-6961)
path traversal in github.com/mattermost/mattermost-server (CVE-2026-6961). Data can be tampered with by attackers. Mitigation: upgrade to `10.11.17` or later.
CVE-2026-7184 Vulnerability in github.com/mattermost/mattermost-server (CVE-2026-7184)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-7184). Confidential information can be exposed externally. Mitigation: upgrade to `10.11.16` or later.
CVE-2026-6046 Information Disclosure in github.com/mattermost/mattermost-server (CVE-2026-6046)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-6046). Confidential information can be exposed externally. Mitigation: upgrade to `10.11.17` or later.
CVE-2026-6689 Vulnerability in github.com/mattermost/mattermost-server (CVE-2026-6689)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-6689). Risk of unauthorized operations or information disclosure. Exploitable via `POST /api/v4/teams`. Mitigation: upgrade to `10.11.17` or later.
CVE-2026-6957 Path Traversal in mattermost (CVE-2026-6957)
path traversal in mattermost (CVE-2026-6957). Successful exploitation can lead to full system takeover.
CVE-2026-4915 Vulnerability in github.com/mattermost/mattermost-server (CVE-2026-4915)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-4915). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `10.11.15` or later.
CVE-2026-28735 Authorization Flaw in github.com/mattermost/mattermost-server (CVE-2026-28735)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-28735). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `10.11.15` or later.
CVE-2026-5308 Vulnerability in github.com/mattermost/mattermost-server (CVE-2026-5308)
vulnerability in github.com/mattermost/mattermost-server (CVE-2026-5308). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `10.11.15` or later.

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