CVE-2025-24526 json
Channel export permitted on archived channel when viewing archived channels is disabled
published 2025-02-24 20 mo ago modified 2026-09-10 1 mo ago also GHSA-q8p2-2hwc-jw64 , GO-2025-3481 , EUVD-2025-4307
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the "Allow users to view archived channels" is disabled which allows a user to export channel contents when they shouldn't have access to it
Patch / fix
- go github.com/mattermost/mattermost/server/v8 8.0.0-20250110161910-96195f1bd746, 9.11.8, 10.2.3, 10.3.3, 10.4.2
- go github.com/mattermost/mattermost-server 9.11.8+incompatible, 10.2.3+incompatible, 10.3.3+incompatible, 10.4.2+incompatible
- Mattermost Mattermost 9.11.8, 10.1.4, 10.2.3, 10.3.3, 10.4.2, 10.5.0
- govulncheck-vulndb openSUSE Tumbleweed 0.0.20250312T181707-1.1
opensuse advisories openSUSE-SU-2025:14889-1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20250110161910-96195f1bd746 >=9.11.0-rc1, <9.11.8 >=10.2.0-rc1, <10.2.3 >=10.3.0-rc1, <10.3.3 >=10.4.0-rc1, <10.4.2 |
8.0.0-20250110161910-96195f1bd746 9.11.8 10.2.3 10.3.3 10.4.2 |
| go | github.com/mattermost/mattermost-server | >=9.11.0-rc1+incompatible, <9.11.8+incompatible >=10.2.0-rc1+incompatible, <10.2.3+incompatible >=10.3.0-rc1+incompatible, <10.3.3+incompatible >=10.4.0-rc1+incompatible, <10.4.2+incompatible |
9.11.8+incompatible 10.2.3+incompatible 10.3.3+incompatible 10.4.2+incompatible |
| go | github.com/mattermost/mattermost-server/v5 | all versions |
no fix listed |
| go | github.com/mattermost/mattermost-server/v6 | all versions |
no fix listed |
Affected products
- Mattermost Mattermost
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/mattermost/mattermost-plugin-channel-export/commit/3c052b66207fb734bfc4c948941e7f7522a82550
web
-
github.com
/mattermost/mattermost/commit/96195f1bd7467f572525c35b5087acaeb53daa63
web
-
mattermost.com
/security-updates
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-24526
advisory
-
github.com
/mattermost/mattermost-plugin-channel-export/issues/51
web
-
github.com
/mattermost/mattermost
package
-
github.com
/advisories/GHSA-q8p2-2hwc-jw64
advisory
Sources
- CVE List CVE-2025-24526
- GitHub Advisory GHSA-q8p2-2hwc-jw64
- NVD CVE-2025-24526
- OSV GO-2025-3481
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