CVE•Published 2026-07-15•Modified 2026-07-15•1 article on news•5 live references•NVD data
CVE-2026-52843
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
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Weaknesses (CWE)
Description
Lightpanda is a headless browser designed for AI and automation. Prior to 0.2.9, Lightpanda fetch() and XMLHttpRequest unconditionally attached session cookies to every HTTP request, ignoring credentials: omit, credentials: same-origin, credentials: include, and XMLHttpRequest.withCredentials, allowing an attacker-controlled origin in a Lightpanda session to issue authenticated cross-origin requests against a victim origin. This issue is fixed in version 0.2.9.
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-2026-52843Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-52843Censys host search filtered to this CVE id.
grep.app
CVE-2026-52843Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-52843GitHub code search for direct mentions.
Google dork
"CVE-2026-52843" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-52843 on GitHub.