CVE-2026-106582CWE-514

CVE-2026-106582

Low · published October 7, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
7.4
In the wild
Unconfirmed
What it is

In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 "Crossing the Streams" findings.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00182 · 7.4th percentile
Weakness
CWE-514 · Covert Channel
Published
2026-10-07T01:17Z
Affected products (1)
ProductVersionsFixed in
openbsd/openssh< 10.610.6
References (2)
https://arxiv.org/abs/2609.07709 · [email protected]https://www.openssh.org/releasenotes.html#10.6 · [email protected]
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 06 OCT 20:35Z
    In sshd and ssh in OpenSSH before 10.6, an LZ77 dictionary coder can be used even though this is contraindicated by the arXiv 2609.07709 "Crossing the Streams"…
    cvelistv5