CVE-2026-3472
- Source
- https://cve.org/CVERecord?id=CVE-2026-3472
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3472.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-3472
- Published
- 2026-06-26T14:42:24.154Z
- Modified
- 2026-07-15T01:48:59.217209976Z
- Severity
-
- 3.5 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- Markdown image rendering bypass in AI bot tool result posts in Mattermost
- Details
-
Mattermost versions 10.11.x <= 10.11.18, 11.6.x <= 11.6.3, 11.5.x <= 11.5.6 fail to properly apply markdown image rendering restrictions to AI bot tool result posts, which allows an authenticated attacker to exfiltrate data to an attacker-controlled server via injecting markdown image syntax into tool result content rendered by a victim's client.. Mattermost Advisory ID: MMSA-2026-00619
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3472.json", "cwe_ids": [ "CWE-693" ], "unresolved_ranges": [ { "extracted_events": [ { "introduced": "10.11.0" }, { "last_affected": "10.11.18" }, { "introduced": "11.6.0" }, { "last_affected": "11.6.3" }, { "introduced": "11.5.0" }, { "last_affected": "11.5.6" } ], "source": "AFFECTED_FIELD" } ], "cna_assigner": "Mattermost" }- References
Affected packages
Git / github.com/mattermost/mattermost
Affected ranges
- Type
- GIT
- Repo
- https://github.com/mattermost/mattermost
- Events
- Database specific
{ "extracted_events": [ { "introduced": "10.11.0" }, { "fixed": "10.11.19" }, { "introduced": "11.5.0" }, { "fixed": "11.5.7" }, { "introduced": "11.6.0" }, { "fixed": "11.6.4" } ], "source": "CPE_RANGE", "cpe": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*" }
Affected versions
@mattermost/client@10.*
@mattermost/client@10.11.0
@mattermost/types@10.*
@mattermost/types@10.11.0
mattermost-redux@10.*
mattermost-redux@10.11.0
v10.*
v10.11.0
v10.11.0-rc3
v10.11.1
v10.11.1-rc1
v10.11.10
v10.11.11
v10.11.11-rc1
v10.11.11-rc2
v10.11.12
v10.11.13
v10.11.13-rc1
v10.11.14
v10.11.14-rc1
v10.11.15
v10.11.15-rc1
v10.11.16
v10.11.17
v10.11.18
v10.11.19-rc1
v10.11.2
v10.11.2-rc1
v10.11.2-rc2
v10.11.3
v10.11.4
v10.11.4-rc1
v10.11.4-rc2
v10.11.4-rc3
v10.11.5
v10.11.6
v10.11.7
v10.11.8
v10.11.9
v10.11.9-rc1
v11.*
v11.5.0
v11.5.1
v11.5.2
v11.5.2-rc1
v11.5.2-rc2
v11.5.2-rc3
v11.5.3
v11.5.4
v11.5.5
v11.5.6
v11.6.0
v11.6.1
v11.6.1-rc1
v11.6.2
v11.6.3