Vulnerability · Published Sep 29, 2026 · Assigned by GitHub_M

CVE-2026-68911Nicotine+: Decompression of peer messages can exhaust available memory

High 8.7

In plain English

A high-severity security flaw in nicotine-plus from nicotine-plus. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.3%top 77.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Nicotine+ is a graphical client for the Soulseek peer-to-peer network. Prior to version 3.3.11, a modified remote client can send zlib-compressed peer messages containing a decompression bomb, exhausting available memory of the recipient's operating system. This issue has been patched in version 3.3.11.

Affected products (as reported)

VendorProductVersions
nicotine-plus nicotine-plus < 3.3.11

Weakness: CWE-409 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References