CVE•Published 2026-05-21•0 articles on news•5 live references•NVD data
CVE-2026-7887
Vulnerability data via NVD (ingested)
CVSS v3.1
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EPSS percentile
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Weaknesses (CWE)
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.
Timeline
Published 2026-05-21
Modified 2026-05-21
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-7887Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-7887Censys host search filtered to this CVE id.
grep.app
CVE-2026-7887Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-7887GitHub code search for direct mentions.
Google dork
"CVE-2026-7887" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (1)
We haven't classified any articles referencing CVE-2026-7887 yet. The external references above still apply.