Insufficient Authorization in Mattermost Jira Plugin Allows Unauthorized Access to Post Attachments
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 10.11.10+incompatible, 11.1.3+incompatible, 11.2.2+incompatible, 11.2.2, 11.1.3, and 1 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 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have access to via the /create-issue API endpoint by providing the post ID of an inaccessible post.. Mattermost Advisory ID: MMSA-2025-00550
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Mattermost Mattermost
From 11.1.0 · through 11.1.2; From 10.11.0 · through 10.11.9; From 11.2.0 · through 11.2.1
- github.com/mattermost/mattermost-serverGo
From 10.11.0+incompatible · fixed in 10.11.10+incompatible; From 11.1.0+incompatible · fixed in 11.1.3+incompatible; From 11.2.0+incompatible · fixed in 11.2.2+incompatible
- github.com/mattermost/mattermost-serverGo
From 11.2.0 · fixed in 11.2.2
- github.com/mattermost/mattermost-serverGo
From 11.1.0 · fixed in 11.1.3
- github.com/mattermost/mattermost-serverGo
From 10.11.0 · fixed in 10.11.10