SEPTEMBER 22, 2026
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Case File

CVE-2026-7887

MEDIUM · CVSS 6.4 EPSS 0.17%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-05-21 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.4. See the original NVD description below for full technical details.

CVE
CVE-2026-7887
Severity
MEDIUM
CVSS
6.4
EPSS
0.17%

Original NVD Description

For Concrete CMS 9.5.0 and below, OAuth 2.0 Authorization-Code Handler Bypasses Account Status. A user with uIsActive=0 (suspended, banned, terminated employee) can still authenticate via OAuth and receive valid API tokens. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N. Thanks 0x4c616e for reporting.

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