{"id":"CVE-2026-55835","summary":"Lookyloo: Potential sub-system DoS due to parameter missmatch in notification","details":"Lookyloo is a web interface that allows users to capture a website page and then display a tree of domains that call each other. Prior to version 1.39.4, an unauthenticated user can trigger Lookyloo's \"report a capture\" email on demand (this is expected). The /json/\u003cuuid\u003e/report API endpoint (CaptureReport) is incorrectly passing the email and comment parameters, overwriting as_admin. When True, as_admin will trigger a search query on a MISP instance (if configured) and add a list of matching URLs in the email sent to the analyst (not the submitter, so there is no risk of leaking information) . It could potentially cause a DoS on the MISP instance. This issue has been patched in version 1.39.4.","aliases":["GHSA-66gj-hmcp-5cfj"],"modified":"2026-10-28T02:30:55.960560147Z","published":"2026-10-23T04:14:02.867Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-233"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55835.json"},"references":[{"type":"WEB","url":"https://github.com/Lookyloo/lookyloo/releases/tag/v1.39.4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55835.json"},{"type":"ADVISORY","url":"https://github.com/Lookyloo/lookyloo/security/advisories/GHSA-66gj-hmcp-5cfj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55835"},{"type":"FIX","url":"https://github.com/Lookyloo/lookyloo/commit/d5b9a401998cd50b88e5d7425f82baac78d8f082"},{"type":"FIX","url":"https://github.com/Lookyloo/lookyloo/pull/1330"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/lookyloo/lookyloo","events":[{"introduced":"0"},{"fixed":"13880471db6a28ee849c047aa6d963cb8013713a"},{"fixed":"d5b9a401998cd50b88e5d7425f82baac78d8f082"}],"database_specific":{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StringRangeExpression","range":[{"introduced":"0"},{"fixed":"1.39.4"}]},{"range":[{"fixed":"d5b9a401998cd50b88e5d7425f82baac78d8f082"}],"source":"REFERENCES_COMMIT"},{"original_tag":"v1.39.4","range":[{"fixed":"13880471db6a28ee849c047aa6d963cb8013713a"}],"source":"REFERENCES_TAG"}]}}],"versions":["v1.39.3","v1.39.0","v1.38.1","v1.38.0","v1.37.0","v1.36.1","v1.36.0","v1.35.3","v1.35.2","v1.35.1","v1.35.0","v1.34.0","v1.33.0","v1.32.0","v1.31.0","v1.30.0","v1.29.0","v1.28.1","v1.28.0","v1.27.0","v1.26.1","v1.26.0","v1.25.0","v1.24.0","v1.23.0","v1.22.0","v1.21.0","v1.20.0","v1.19.0","v1.18.0","v1.17.0","v1.16.0","v1.15.0","v1.14.0","v1.13.0","v1.12.0","v1.11.0","v1.10.0","v1.10","v1.9.2","v1.9.1","v1.9.0","v1.8.0","v1.7.0","v1.6.0","v1.5.0","v1.4.0","v1.3","v1.2","v1.1","v0.6","v1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55835.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:L"}]}