Missing authorization allows users to access arbitrary security levels on Jira through webhooks (Jira Plugin)
Priority LOW 20CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-863.
Summary
Mattermost Jira Plugin handling subscriptions fails to check the security level of an incoming issue or limit it based on the user who created the subscription resulting in registered users on Jira being able to create webhooks that give them access to all Jira issues.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00456 39th percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 8.1.8github.com/mattermost/mattermost-plugin-jira (Go): 4.0.0-rc1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mattermost | Mattermost | up to 8.1.7 | 8.1.8 | Patch available | CNA |
| — | github.com/mattermost/mattermost-plugin-jira (Go) | before 4.0.0-rc1 | 4.0.0-rc1 | Patch available | GHSA-qr8f-cjw7-838m |
- Mattermost VendorMattermost Affected up to 8.1.7 Fixed in 8.1.8 Patch available CNA
- github.com/mattermost/mattermost-plugin-jira (Go) Vendor— Affected before 4.0.0-rc1 Fixed in 4.0.0-rc1 Patch available GHSA-qr8f-cjw7-838m
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | up to 8.1.7 | Vulnerable | Mattermost |
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions up to 8.1.7 Vulnerable ·Mattermost
Remediation
- Fix · CNA Mattermost (Mattermost) Fixed in 8.1.8
- Fix · GHSA-qr8f-cjw7-838m github.com/mattermost/mattermost-plugin-jira (Go) Fixed in 4.0.0-rc1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-24774
- 2026-10-03 Alias added: GHSA-qr8f-cjw7-838m
References
More Mattermost Server vulnerabilities
- TI-2025-18933 Arbitrary file read in Mattermost Boards via import & export board archive CVSS 3.1CRITICAL 9.9
- TI-2025-04465 Path Traversal Leading to RCE by Any Authenticated Mattermost User CVSS 3.1CRITICAL 9.9
- TI-2017-14068 An issue was discovered in Mattermost Server before 3.6.2. CVSS 3.1CRITICAL 9.8
- TI-2017-14060 An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. CVSS 3.1CRITICAL 9.8
- TI-2017-14048 An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. CVSS 3.1CRITICAL 9.8
- TI-2025-14360 Arbitrary file read via block duplication in Mattermost Boards CVSS 3.1CRITICAL 9.9
Sources
- CVE-2024-24774 · CVE Program
- CVE-2024-24774 · NVD
- FIRST EPSS
- GHSA-qr8f-cjw7-838m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences