{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55835", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-17T16:29:38.865Z", "datePublished": "2026-10-23T04:14:02.867Z", "dateUpdated": "2026-10-23T04:14:02.867Z"}, "containers": {"cna": {"title": "Lookyloo: Potential sub-system DoS due to parameter missmatch in notification", "problemTypes": [{"descriptions": [{"cweId": "CWE-233", "lang": "en", "description": "CWE-233: Improper Handling of Parameters", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "LOW", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "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", "version": "4.0"}}], "references": [{"name": "https://github.com/Lookyloo/lookyloo/security/advisories/GHSA-66gj-hmcp-5cfj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Lookyloo/lookyloo/security/advisories/GHSA-66gj-hmcp-5cfj"}, {"name": "https://github.com/Lookyloo/lookyloo/pull/1330", "tags": ["x_refsource_MISC"], "url": "https://github.com/Lookyloo/lookyloo/pull/1330"}, {"name": "https://github.com/Lookyloo/lookyloo/commit/d5b9a401998cd50b88e5d7425f82baac78d8f082", "tags": ["x_refsource_MISC"], "url": "https://github.com/Lookyloo/lookyloo/commit/d5b9a401998cd50b88e5d7425f82baac78d8f082"}, {"name": "https://github.com/Lookyloo/lookyloo/releases/tag/v1.39.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/Lookyloo/lookyloo/releases/tag/v1.39.4"}], "affected": [{"vendor": "Lookyloo", "product": "lookyloo", "versions": [{"version": "< 1.39.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-23T04:14:02.867Z"}, "descriptions": [{"lang": "en", "value": "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/<uuid>/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."}], "source": {"advisory": "GHSA-66gj-hmcp-5cfj", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "lookyloo", "vendor": "Lookyloo", "versions": [{"status": "affected", "version": "< 1.39.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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/<uuid>/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."}], "id": "CVE-2026-55835", "lastModified": "2026-10-23T05:17:15.543", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-23T05:17:15.543", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Lookyloo/lookyloo/commit/d5b9a401998cd50b88e5d7425f82baac78d8f082"}, {"source": "security-advisories@github.com", "url": "https://github.com/Lookyloo/lookyloo/pull/1330"}, {"source": "security-advisories@github.com", "url": "https://github.com/Lookyloo/lookyloo/releases/tag/v1.39.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/Lookyloo/lookyloo/security/advisories/GHSA-66gj-hmcp-5cfj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-233"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.39.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "lookyloo", "source": "cna", "vendor": "Lookyloo"}, "product": "lookyloo", "vendor": "lookyloo"}], "created": "2026-10-23T06:00:12.253818+00:00", "updated": "2026-10-23T06:00:13.908217+00:00", "vendors": ["lookyloo", "lookyloo$PRODUCT$lookyloo"]}