Medium severity4.2NVD Advisory· Published Oct 10, 2026
CVE-2026-108555
CVE-2026-108555
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.
Affected products
1Patches
Vulnerability mechanics
References
4- github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/peer.jsnvd
- github.com/schlagmichdoch/PairDrop/blob/4862ba3067be1a0f2e0d1e94861dc9200b5bfeea/server/ws-server.jsnvd
- github.com/schlagmichdoch/PairDrop/issues/510nvd
- www.vulncheck.com/advisories/pairdrop-through-1.11.2-ip-spoofing-via-cf-connecting-ip-headernvd
News mentions
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