CVE•Published 2026-07-15•Modified 2026-07-15•1 article on news•5 live references•NVD data
CVE-2026-52842
Vulnerability data via NVD (ingested)
CVSS v3.1
9.3
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
Lightpanda is a headless browser designed for AI and automation. Prior to 0.3.1, Lightpanda searched for @ across the entire URL string instead of only the authority component when computing a page origin, so a URL such as `http://attacker.com/@victim.com/` was fetched from attacker.com but treated as `http://victim.com`, allowing a complete Same-Origin Policy bypass. This issue is fixed in version 0.3.1.
Timeline
Published 2026-07-15
Modified 2026-07-15
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-2026-52842Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-52842Censys host search filtered to this CVE id.
grep.app
CVE-2026-52842Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-52842GitHub code search for direct mentions.
Google dork
"CVE-2026-52842" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-52842 on GitHub.