CVE-2026-4390Disclosure

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

Back to dashboard

0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-119CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://modzero.com/en/blog/please-do-not-hack-me/

Full discourse1 post

born0monday@born0monday137d
Disclosure
Follow-up to last week's TeamSpeak bugs: the story behind the use-after-free (CVE-2026-4390). A race in the handshake, a dangling pointer across two hashmaps, and a server that logs "please do not hack me" before it crashes. https://modzero.com/en/blog/please-do-not-hack-me/
Post summary
The blog post discloses details of a TeamSpeak use‑after‑free vulnerability (CVE‑2026‑4390) with technical specifics, but it does not present PoC, exploit code, or evidence of active exploitation.
0000039
3 followersView on X

Explore more

Back to dashboard