← back
CVE-2026-4390mediumCWE-119CWE-416

TeamSpeak 3 Server Connection State Management process_resend_queue use after free

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 0.3%
from disclosure to weapon0 days
Published on NVDMay 27
1st PoCMay 9
exploitation probability
0.3%top 82% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function process_resend_queue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue. The affected component should be upgraded.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
Affected products
n/a · TeamSpeak 3 Server
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.