CVE-2026-16453
7.1 HIGHPublished 2026-10-16 · Updated 2026-10-16
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to verify the integrity of the SAML RelayState POST parameter which allows an authenticated SAML user to join any team, including invite-only teams, via forging the team_id or invite_id fields in the RelayState.. Mattermost Advisory ID: MMSA-2026-00727
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weaknesses
CWE-472
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- MEDIUMCVE-2026-103080
- MEDIUMCVE-2026-103671
- MEDIUMCVE-2026-105322
- UNSCOREDCVE-2026-107363
- MEDIUMCVE-2026-107636PoC
- HIGHCVE-2026-111447PoC
- UNSCOREDCVE-2026-55384PoC
- UNSCOREDCVE-2026-77470PoC
Related by shared AI tags and CWE weakness class. Browse the full archive.