CVE-2026-106586

mediumpriority · track · 17EPSS 0.001 · 2 %ileDEFRUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.12% (2nd) EPSS

CVSS 4.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cert_bund · nvd · certfr

EPSS · scored 2026-10-27

In sshd in OpenSSH before 10.6, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not, a different vulnerability than CVE-2026-73283.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.5–4.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.12.5lowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · cve@mitre.org USexploitability 1 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-670US

affected products (5)

Products and version ranges known to be affected.

Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source OpenSSH≤ 10.6cert_bundDE
Open Source OpenSSH< 10.6p1cert_bundDE
openbsd openssh< 10.6nvdUScpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3785OpenSSH: Mehrere SchwachstellenDeutsch2026-10-06csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSH ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service herbeizufürhen oder seine Rechte auszuweiten.
CERTFR-2026-AVI-1376Multiples vulnérabilités dans le noyau Linux d'UbuntuFrançais2026-10-23vendor · certfrFR
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR

sources

Which sources assert this record, and when.

cert_bund nvd certfr NVD CVE.org MITRE

published 2026-10-06modified 2026-10-13

references (1) nvd

External citations — patches, advisories, analysis.

https://www.openssh.org/releasenotes.html#10.6Release Notes

scry

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