Dashboard / CVE-2026-93848

CVE-2026-93848

LOW
INFO Priority: 0.01 BB Relevance: 50/100
Published: 2026-10-26 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: High
UI: None
S: Unchanged
C: Low
I: None
A: None

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

Weakness Classification (1)

References & Advisories (1)

Bug Bounty Relevance

50 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

2.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploitation Probability

0.29%
Raw Score 0.002890
Percentile 21.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00289
2026-10-28
0.00289

Intelligence Sources

mitre ref →
nvd ref →

External Links