Ce mail provient de l'extérieur, restons vigilants

=====================================================================

                            CERT-Renater

                Note d'Information No. 2025/VULN746
_____________________________________________________________________

DATE                : 29/10/2025

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Mattermost versions prior to
                      11.1.0, 10.12.2, 10.11.5, 10.5.13, 11.0.4.

=====================================================================
https://mattermost.com/security-updates/
_____________________________________________________________________


Issue ID      Severity   Affected Versions   Release Date
Fix Versions           Details

MMSA-2025-00547	   Critical	10.12.x <= 10.12.1 
                                10.11.x <= 10.11.4
                                10.5.x <= 10.5.12
                                11.0.x <= 11.0.3     2025-10-28
11.1.0, 10.12.2, 10.11.5, 10.5.13, 11.0.4    Details on the security
update will be posted here on November 27 as per our Responsible
Disclosure Policy.

MMSA-2025-00544   Critical      11.0.x <= 11.0.2
                                10.12.x <= 10.12.1
                                10.11.x <= 10.11.4
                                10.5.x <= 10.5.12    2025-10-28
11.1.0, 11.0.3, 10.12.2, 10.11.5, 10.5.13    Details on the security
update will be posted here on November 27 as per our Responsible
Disclosure Policy.

MMSA-2025-00536   Medium        11.0.x <= 11.0.2
                                10.12.x <= 10.12.1
                                10.11.x <= 10.11.4
                                10.5.x <= 10.5.12    2025-10-28
11.1.0, 11.0.3, 10.12.2, 10.11.5, 10.5.13   Details on the security
update will be posted here on November 27 as per our Responsible
Disclosure Policy.

=========================================================
+ CERT-RENATER        |    tel : 01-53-94-20-44         +
+ 23/25 Rue Daviel    |    fax : 01-53-94-20-41         +
+ 75013 Paris         |   email:cert@support.renater.fr +
=========================================================