{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-52842 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-52842 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-52842 is a critical vulnerability in lightpanda-io browser, published on 15 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-52842 and fix it if it is affected.\n\nWhat it is: CVE-2026-52842 is a critical vulnerability in lightpanda-io browser, published on 15 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2026-52842 in the wild and no public exploit code.\n\nAffected product: lightpanda-io browser. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-52842/ (Markdown: https://insights.sbomify.com/CVE-2026-52842/index.md)","id":"CVE-2026-52842","markdown":"https://insights.sbomify.com/CVE-2026-52842/index.md","name":"CVE-2026-52842","record":{"aliases":["GHSA-mq6p-m9cc-q432"],"analysis":{"component_type":"browser","fix_type":"upgrade","impacts":["security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"Lightpanda headless browser","requires_auth":"none","summary":"Lightpanda's URL parser incorrectly handles '@' in paths, allowing attackers to bypass Same-Origin Policy restrictions.","user_interaction":"required","vuln_class":"security_feature_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":9.3,"severity":"critical","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-346","name":"Origin Validation Error"}],"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.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"Lightpanda:URL parser misidentifies page origin for URLs containing @ in the path - Same-Origin Policy bypass","id":"CVE-2026-52842","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"security_feature_bypass","year":"2026"},"n_packages":0,"n_references":4,"next":{"headline":"Lightpanda: fetch() and XMLHttpRequest attach session cookies to cross-origin requests regardless of credentials mode","id":"CVE-2026-52843"},"packages":[],"prev":{"headline":"Easy!Appointments: Authorization bypass in Google OAuth provider binding lets any backend user rebind a peer provider's Google sync","id":"CVE-2026-52841"},"products":["browser"],"published":"2026-07-15","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-07-15","vendors":["lightpanda-io"]},"summary":"Lightpanda's URL parser incorrectly handles '@' in paths, allowing attackers to bypass Same-Origin Policy restrictions.","url":"https://insights.sbomify.com/CVE-2026-52842/"}