1+ {
2+ "schema_version" : " 1.4.0" ,
3+ "id" : " GHSA-vww6-79rv-3j4x" ,
4+ "modified" : " 2025-12-26T18:44:18Z" ,
5+ "published" : " 2025-12-24T09:30:22Z" ,
6+ "aliases" : [
7+ " CVE-2025-64641"
8+ ],
9+ "summary" : " Mattermost doesn't verify that post actions invoking `/share-issue-publicly` were created by the Jira plugin" ,
10+ "details" : " Mattermost versions 11.1.x <= 11.1.0, 11.0.x <= 11.0.5, 10.12.x <= 10.12.3, 10.11.x <= 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affected posts" ,
11+ "severity" : [
12+ {
13+ "type" : " CVSS_V3" ,
14+ "score" : " CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N"
15+ }
16+ ],
17+ "affected" : [
18+ {
19+ "package" : {
20+ "ecosystem" : " Go" ,
21+ "name" : " github.com/mattermost/mattermost/server/v8"
22+ },
23+ "ranges" : [
24+ {
25+ "type" : " ECOSYSTEM" ,
26+ "events" : [
27+ {
28+ "introduced" : " 0"
29+ },
30+ {
31+ "fixed" : " 8.0.0-20251121122154-b57c297c6d7"
32+ }
33+ ]
34+ }
35+ ]
36+ },
37+ {
38+ "package" : {
39+ "ecosystem" : " Go" ,
40+ "name" : " github.com/mattermost/mattermost-server"
41+ },
42+ "ranges" : [
43+ {
44+ "type" : " ECOSYSTEM" ,
45+ "events" : [
46+ {
47+ "introduced" : " 10.11.0"
48+ },
49+ {
50+ "fixed" : " 10.11.8"
51+ }
52+ ]
53+ }
54+ ]
55+ },
56+ {
57+ "package" : {
58+ "ecosystem" : " Go" ,
59+ "name" : " github.com/mattermost/mattermost-server"
60+ },
61+ "ranges" : [
62+ {
63+ "type" : " ECOSYSTEM" ,
64+ "events" : [
65+ {
66+ "introduced" : " 10.12.0"
67+ },
68+ {
69+ "fixed" : " 10.12.4"
70+ }
71+ ]
72+ }
73+ ]
74+ },
75+ {
76+ "package" : {
77+ "ecosystem" : " Go" ,
78+ "name" : " github.com/mattermost/mattermost-server"
79+ },
80+ "ranges" : [
81+ {
82+ "type" : " ECOSYSTEM" ,
83+ "events" : [
84+ {
85+ "introduced" : " 11.0.0"
86+ },
87+ {
88+ "fixed" : " 11.0.6"
89+ }
90+ ]
91+ }
92+ ]
93+ },
94+ {
95+ "package" : {
96+ "ecosystem" : " Go" ,
97+ "name" : " github.com/mattermost/mattermost-server"
98+ },
99+ "ranges" : [
100+ {
101+ "type" : " ECOSYSTEM" ,
102+ "events" : [
103+ {
104+ "introduced" : " 11.1.0"
105+ },
106+ {
107+ "fixed" : " 11.1.1"
108+ }
109+ ]
110+ }
111+ ]
112+ }
113+ ],
114+ "references" : [
115+ {
116+ "type" : " ADVISORY" ,
117+ "url" : " https://nvd.nist.gov/vuln/detail/CVE-2025-64641"
118+ },
119+ {
120+ "type" : " WEB" ,
121+ "url" : " https://github.com/mattermost/mattermost/pull/34551"
122+ },
123+ {
124+ "type" : " WEB" ,
125+ "url" : " https://github.com/mattermost/mattermost/commit/b57c297c6d7ae6812d85e32a625806ac9555deee"
126+ },
127+ {
128+ "type" : " PACKAGE" ,
129+ "url" : " https://github.com/mattermost/mattermost"
130+ },
131+ {
132+ "type" : " WEB" ,
133+ "url" : " https://mattermost.com/security-updates"
134+ }
135+ ],
136+ "database_specific" : {
137+ "cwe_ids" : [
138+ " CWE-863"
139+ ],
140+ "severity" : " MODERATE" ,
141+ "github_reviewed" : true ,
142+ "github_reviewed_at" : " 2025-12-26T18:44:18Z" ,
143+ "nvd_published_at" : " 2025-12-24T08:15:46Z"
144+ }
145+ }
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