CVE•Published 2026-08-11•Modified 2026-08-28•1 article on news•5 live references•NVD data
CVE-2026-18972
Vulnerability data via NVD (ingested)
CVSS v3.1
9.6
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS percentile
26
Exploit Prediction Scoring System · top 74% of all CVEs
Weaknesses (CWE)
Description
An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header \"Grpc-Metadata-USER\". This can lead to an account takeover attack from a user with low privileges to administrator.
Timeline
Published 2026-08-11
Modified 2026-08-28
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). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2026-18972Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-18972Censys host search filtered to this CVE id.
grep.app
CVE-2026-18972Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-18972GitHub code search for direct mentions.
Google dork
"CVE-2026-18972" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-18972 on GitHub.