Path traversal in image upload with preview overwrite
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 10.5.9+incompatible, 10.8.4+incompatible, 10.9.4+incompatible, 10.10.1+incompatible, 10.8.4, and 4 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to sanitize file names which allows users with file upload permission to overwrite file attachment thumbnails via path traversal in file streaming APIs.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Mattermost Mattermost
From 10.8.0 · through 10.8.3; From 10.5.0 · through 10.5.8; From 10.9.0 · through 10.9.3
- github.com/mattermost/mattermost-serverGo
From 10.5.0+incompatible · fixed in 10.5.9+incompatible; From 10.8.0+incompatible · fixed in 10.8.4+incompatible; From 10.9.0+incompatible · fixed in 10.9.4+incompatible; From 10.10.0+incompatible · fixed in 10.10.1+incompatible
- github.com/mattermost/mattermost-server/v5Go
All versions
- github.com/mattermost/mattermost-server/v6Go
All versions
- github.com/mattermost/mattermost/server/v8Go
All versions
- github.com/mattermost/mattermost-serverGo
From 10.8.0 · fixed in 10.8.4
- github.com/mattermost/mattermost-serverGo
From 10.5.0 · fixed in 10.5.9
- github.com/mattermost/mattermost-serverGo
From 10.9.0 · fixed in 10.9.4
- github.com/mattermost/mattermost-serverGo
From 10.10.0 · fixed in 10.10.1
- github.com/mattermost/mattermost/server/v8Go
fixed in 8.0.0-20250708173752-d6b35c41f0ae5