{"id":"CVE-2026-108555","revision":"bfb907bc9f8147898e56acd10c449c36","records":[{"revision":"bfb907bc9f8147898e56acd10c449c36","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108555","aliases":[],"title":"PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header","description":"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.","state":0,"publishedAt":"2026-10-10T14:49:39.99+00:00","modifiedAt":"2026-10-13T11:37:21.958+00:00","affected":[{"ecosystem":"Vendor product","name":"PairDrop","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"schlagmichdoch\",\n                    \"product\": \"PairDrop\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"1.11.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":2.3,"severity":"LOW"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","score":4.2,"severity":"MEDIUM"}],"references":["https://github.com/schlagmichdoch/PairDrop/issues/510","https://github.com/schlagmichdoch/PairDrop","https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/peer.js#L44-L54","https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/ws-server.js#L312-L314","https://www.vulncheck.com/advisories/pairdrop-through-1.11.2-ip-spoofing-via-cf-connecting-ip-header"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108555","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108555","identifiers":["CVE-2026-108555"]},"retained":false,"historicalAffected":[]}],"coverage":[]}