CVE-2026-93848
Last modified
CVE-2026-93848 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the OpenID discovery endpoint request which allows a System Administrator to determine whether internal addresses and ports are reachable from the server via an unauthenticated login request that triggers the discovery fetch.. Mattermost Advisory ID: MMSA-2026-00774.
Description
Mattermost versions 11.7.x <= 11.7.10 fail to apply outbound internal-connection filtering to the OpenID discovery endpoint request which allows a System Administrator to determine whether internal addresses and ports are reachable from the server via an unauthenticated login request that triggers the discovery fetch.. Mattermost Advisory ID: MMSA-2026-00774
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | >= 11.7.0, <= 11.7.10 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-93848?
How severe is CVE-2026-93848?
How do I fix CVE-2026-93848?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-93839LightLLM through 1.2.0 contains an authentication bypass vul…9.8
- CVE-2026-9384A vulnerability was found in Totolink A8000RU 7.1cu.643_b202…9.8
- CVE-2026-93840vLLM before 0.29.0 validates allowed_token_ids against token…5.3
- CVE-2026-93841vLLM through 0.29.0 contains a memory corruption vulnerabili…5.3
- CVE-2026-93846Mattermost versions 11.7.x <= 11.7.10 fail to restrict which…3.8
- CVE-2026-93847Mattermost versions 11.7.x <= 11.7.10 fail to validate reser…3.5
- CVE-2026-93849Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7…6.5
- CVE-2026-9385A vulnerability was determined in Totolink A8000RU 7.1cu.643…9.8
- CVE-2026-93850Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7…6.5
- CVE-2026-93851Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7…8
- CVE-2026-93852In OpenStack Blazar before 17.0.1, the V2 lease listing oper…7.1
- CVE-2026-93853Unverified ownership in Barman snapshot backup deletion allo…7.2
Are you affected by CVE-2026-93848?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
