CVE•Published 2026-04-22•Modified 2026-04-23•1 article on news•5 live references•NVD data
CVE-2026-5816Gitlab · Gitlab
Vulnerability data via NVD (ingested)
CVSS v3.1
8.0
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.
Timeline
Published 2026-04-22
Modified 2026-04-23
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).
Shodan · vuln tag0 hosts
vuln:CVE-2026-5816Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Gitlab Gitlab"All exposed Gitlab Gitlab instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Gitlab"HTTP body or banner mentions "Gitlab" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-5816Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-5816Censys host search filtered to this CVE id.
grep.app
CVE-2026-5816Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-5816GitHub code search for direct mentions.
Google dork
"CVE-2026-5816" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.