{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108555", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-10T14:39:40.699Z", "datePublished": "2026-10-10T14:49:39.990Z", "dateUpdated": "2026-10-10T14:49:39.990Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-10T14:49:39.990Z"}, "datePublic": "2026-09-11T00:00:00.000Z", "title": "PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Use of Less Trusted Source", "cweId": "CWE-348", "type": "CWE"}]}], "affected": [{"vendor": "schlagmichdoch", "product": "PairDrop", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "1.11.2", "status": "affected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.3, "baseSeverity": "LOW"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/schlagmichdoch/PairDrop/issues/510", "tags": ["issue-tracking"], "name": "GitHub Issue #510"}, {"url": "https://github.com/schlagmichdoch/PairDrop", "tags": ["product"]}, {"url": "https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/peer.js#L44-L54", "tags": ["technical-description"]}, {"url": "https://github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/ws-server.js#L312-L314", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/pairdrop-through-1.11.2-ip-spoofing-via-cf-connecting-ip-header"}], "credits": [{"lang": "en", "value": "George Chen", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"created": "2026-10-10T16:30:18.887898+00:00", "updated": "2026-10-10T16:30:18.887910+00:00", "vendors": []}