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VulnerabilityPublished

CVE-2026-100289: Devolutions Server · Missing Authorization

Affects Devolutions ServerSource CVE Database V5

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Not known to be exploited · CVSS 5.0 Medium : upgrade to 2026.3.7.0 when convenient.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 3.1 base score
5.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2026.3.7.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade Devolutions Server to 2026.3.7.0.

Affected software

ProductAffectedFixed in
DevolutionsServerAffected
  • <2026.3.7.0
Fixed in
  • 2026.3.7.0

AI-suggested

If you cannot patch yet, restrict access to the Devolutions Server to trusted users only and monitor for unusual API usage patterns related to network scanning activities.

Description

Missing authorization in the gateway network scan token API in Devolutions Server 2026.3.5.0 and earlier allows an authenticated low-privileged user to generate a network scan token and perform internal network discovery and port scanning through the gateway via a crafted API request.

References

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