CVE-2026-108555

PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header

2.3 Low

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.14%Unchanged since Oct 11, 2026

What each source reports

CVE List Score used 2.3

PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header

Record: CVE-2026-108555
CVSS 4.0: 2.3 LowCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 4.2 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-348
Updated: 2026-11-02

EUVDEUVD-2026-96349 2.3

Record: EUVD-2026-96349
CVSS 4.0: 2.3 LowCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4p3m-fhg8-5wfc 2.3

PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer._setIP that allows remote...

Record: GHSA-4p3m-fhg8-5wfc
CVSS 4.0: 2.3 LowCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/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
CVSS 3.1: 4.2 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-348
Updated: 2026-11-02

NVD 2.3

Record: CVE-2026-108555
CVSS 4.0: 2.3 LowCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/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
CVSS 3.1: 4.2 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-348
Updated: 2026-11-02

OSV 2.3

PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header

Record: CVE-2026-108555
CVSS 4.0: 2.3 LowCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-348
Updated: 2026-11-02

Affected products

schlagmichdoch pairdrop

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-108555 is a low vulnerability (CVSS 2.3) in Schlagmichdoch Pairdrop, published October 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.