Password hash in response body after username update
Priority LOW 23CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00616 49th percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 7.8.12, 8.0.4, 8.1.3 +1github.com/mattermost/mattermost-server/v6 (Go): 7.8.12, 5.3.2-0.20230825233148-f787fd63368a+3 more products
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 7.8.11; up to 8.0.3; up to 8.1.2; up to 9.0.0 | 7.8.12, 8.0.4, 8.1.3, 9.0.1 | Patch available | CNA |
| — | github.com/mattermost/mattermost-server/v6 (Go) | 5.4.0-rc1 to before 7.8.12 | 7.8.12 | Patch available | GHSA-r67m-mf7v-qp7j |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 8.0.0 to before 8.0.4 | 8.0.4 | Patch available | GHSA-r67m-mf7v-qp7j |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 8.1.0 to before 8.1.3 | 8.1.3 | Patch available | GHSA-r67m-mf7v-qp7j |
| — | github.com/mattermost/mattermost/server/v8 (Go) | 9.0.0 to before 9.0.1 | 9.0.1 | Patch available | GHSA-r67m-mf7v-qp7j |
| — | github.com/mattermost/mattermost/server/v8 (Go) | before 8.0.0-20230825233148-f787fd63368a | 8.0.0-20230825233148-f787fd63368a | Patch available | GHSA-r67m-mf7v-qp7j |
| — | github.com/mattermost/mattermost-server/v6 (Go) | before 5.3.2-0.20230825233148-f787fd63368a | 5.3.2-0.20230825233148-f787fd63368a | Patch available | GHSA-r67m-mf7v-qp7j |
| — | github.com/mattermost/mattermost-server/v5 (Go) | before 5.3.2-0.20230825233148-f787fd63368a | 5.3.2-0.20230825233148-f787fd63368a | Patch available | GHSA-r67m-mf7v-qp7j |
| — | github.com/mattermost/mattermost-server (Go) | before 5.3.2-0.20230825233148-f787fd63368a | 5.3.2-0.20230825233148-f787fd63368a | Patch available | GHSA-r67m-mf7v-qp7j |
- Mattermost VendorMattermost Affected up to 7.8.11; up to 8.0.3; up to 8.1.2; up to 9.0.0 Fixed in 7.8.12, 8.0.4, 8.1.3, 9.0.1 Patch available CNA
- github.com/mattermost/mattermost-server/v6 (Go) Vendor— Affected 5.4.0-rc1 to before 7.8.12 Fixed in 7.8.12 Patch available GHSA-r67m-mf7v-qp7j
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 8.0.0 to before 8.0.4 Fixed in 8.0.4 Patch available GHSA-r67m-mf7v-qp7j
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 8.1.0 to before 8.1.3 Fixed in 8.1.3 Patch available GHSA-r67m-mf7v-qp7j
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 9.0.0 to before 9.0.1 Fixed in 9.0.1 Patch available GHSA-r67m-mf7v-qp7j
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected before 8.0.0-20230825233148-f787fd63368a Fixed in 8.0.0-20230825233148-f787fd63368a Patch available GHSA-r67m-mf7v-qp7j
- github.com/mattermost/mattermost-server/v6 (Go) Vendor— Affected before 5.3.2-0.20230825233148-f787fd63368a Fixed in 5.3.2-0.20230825233148-f787fd63368a Patch available GHSA-r67m-mf7v-qp7j
- github.com/mattermost/mattermost-server/v5 (Go) Vendor— Affected before 5.3.2-0.20230825233148-f787fd63368a Fixed in 5.3.2-0.20230825233148-f787fd63368a Patch available GHSA-r67m-mf7v-qp7j
- github.com/mattermost/mattermost-server (Go) Vendor— Affected before 5.3.2-0.20230825233148-f787fd63368a Fixed in 5.3.2-0.20230825233148-f787fd63368a Patch available GHSA-r67m-mf7v-qp7j
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* | up to 7.8.11; 8.0.0 – 8.0.3; 8.1.0 – 8.1.2 | Vulnerable | Mattermost |
| cpe:2.3:a:mattermost:mattermost:9.0.0:*:*:*:*:*:*:* | 9.0.0 | Vulnerable | Mattermost |
- cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:* Versions up to 7.8.11; 8.0.0 – 8.0.3; 8.1.0 – 8.1.2 Vulnerable ·Mattermost
- cpe:2.3:a:mattermost:mattermost:9.0.0:*:*:*:*:*:*:* Versions 9.0.0 Vulnerable ·Mattermost
Remediation
- Fix · CNA Mattermost (Mattermost) Fixed in 7.8.12, 8.0.4, 8.1.3, 9.0.1
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost-server/v6 (Go) Fixed in 7.8.12 Advisory →
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost/server/v8 (Go) Fixed in 8.0.4 Advisory →
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost/server/v8 (Go) Fixed in 8.1.3 Advisory →
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost/server/v8 (Go) Fixed in 9.0.1 Advisory →
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost/server/v8 (Go) Fixed in 8.0.0-20230825233148-f787fd63368a Advisory →
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost-server/v6 (Go) Fixed in 5.3.2-0.20230825233148-f787fd63368a Advisory →
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost-server/v5 (Go) Fixed in 5.3.2-0.20230825233148-f787fd63368a Advisory →
- Fix · GHSA-r67m-mf7v-qp7j github.com/mattermost/mattermost-server (Go) Fixed in 5.3.2-0.20230825233148-f787fd63368a Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5968
- 2026-10-03 Alias added: GHSA-r67m-mf7v-qp7j
References
More Mattermost vulnerabilities
- TI-2024-26695 Malicious remote can invite itself to an arbitrary local channel CVSS 3.1CRITICAL 9.6
- TI-2023-02056 Oauth authorization codes do not expire when deauthorizing an oauth2 app CVSS 3.1CRITICAL 9.1
- TI-2019-15069 An issue was discovered in Mattermost Mobile Apps before 1.26.0. CVSS 3.1CRITICAL 9.1
- TI-2024-26233 Malicious remote can add users to arbitrary teams and channels CVSS 3.1HIGH 8.7
- TI-2024-26746 Permanently local data deletion by malicious remote CVSS 3.1HIGH 8.7
- TI-2023-06508 Injection in Mattermost CVSS 3.1HIGH 8.8
Sources
- CVE-2023-5968 · CVE Program
- CVE-2023-5968 · NVD
- FIRST EPSS
- GHSA-r67m-mf7v-qp7j · 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