CVE-2026-26448CWE-416

CVE-2026-26448

Critical · published August 27, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
45.4
In the wild
Unconfirmed
What it is

Stomper 5e2741e is vulnerable to Use-After-Free. When a client sends multiple CONNECT frames on the same TCP connection, and subsequently another client (or a later connection) sends SEND frames to a destination previously subscribed on that connection, the broker may dereference a pointer to a StompStreamSocket object that has already been freed. This results in a heap use-after-free and process crash. Because the protocol does not authenticate or restrict such sequences by default.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00553 · 45.4th percentile
Weakness
CWE-416 · Use After Free
Published
2026-08-27T00:17Z
References (3)
https://github.com/mdoi/stomper · [email protected]https://github.com/songxpu/bug_report/blob/master/Stomp/stomper_vuln4.md · [email protected]https://github.com/songxpu/bug_report/blob/master/Stomp/stomper_vuln4.md · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 28 AUG 06:35Z
    EPSS moved — → 0%
    epss
  • 26 AUG 00:00Z
    Stomper 5e2741e is vulnerable to Use-After-Free
    cvelistv5