{"schema":"threatline.record/2","record":{"id":"CVE-2026-108555","aliases":[],"summary":"PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header","details":"PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer._setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind Cloudflare to send or receive files.","categories":["Unclassified"],"product":"PairDrop","vendor":"schlagmichdoch","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-108555","source_modified_at":"2026-10-13T11:37:21.958Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"PairDrop","vendor":"schlagmichdoch","versions":[{"version":"0","lessThanOrEqual":"1.11.2","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":2.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00135,"percentile":0.02716,"score_date":"2026-10-23"},"published_at":"2026-10-10T14:49:39.990Z","modified_at":"2026-10-13T11:37:21.958Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-108555","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T11:37:21.958Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-108555","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/schlagmichdoch/PairDrop/issues/510","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/schlagmichdoch/PairDrop","tags":["product"]},{"source":"CVE List","url":"https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/peer.js#L44-L54","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/ws-server.js#L312-L314","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/pairdrop-through-1.11.2-ip-spoofing-via-cf-connecting-ip-header","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T11:36:58.318306Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T11:37:21.958Z","content_hash":"8d87710ac35ec23fafa87915b07f907704872ef8499f49dea2cf7c18573ca90e"}}