Vulnerability · CVE-2026-9590
Improper access control in the permission validation component in Devolutions Server 2026.1.19 and earlier allows an authenticated user with entry edit privileges to m…
Published Jun 2, 2026 · catalog updated Jul 22, 2026 · devolutions server
Last checked Oct 25, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-9590. EPSS is 0.18%. Act only if a listed version of devolutions server is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-9522 · Medium
- CVE-2026-9251 · Medium
- CVE-2026-9249 · Low
- CVE-2026-9248 · Low
- CVE-2026-9247 · Low
- Severity
- Medium5.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.18%
- Remediation
- Version ranges on file
- Affected products
- cpe devolutions/devolutions server · stated devolutions server
Improper access control in the permission validation component in Devolutions Server 2026.1.19 and earlier allows an authenticated user with entry edit privileges to modify asset information without the required permission.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe devolutions/devolutions serverversion unspecified
- stated devolutions server<= 1.19
How to fix CVE-2026-9590
Upgrade
CVE-2026-9590 lists a fix boundary at 1.19. Compare the installed build with that boundary before you change production.
Version check
Affected <= 1.19
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-9590. EPSS is 0.18%. Act only if a listed version of devolutions server is installed.
Which versions are affected?
Compare what you have installed with devolutions server <= 1.19. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-284: Improper Access Control. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 2, 2026 · NIST NVD
Detected
Improper access control in the permission validation component in Devolutions Server 2026.1.19 and earlier allows an authenticated user with entry edit privileges to modify asset information without the required permission.
Jul 22, 2026 · NIST NVD
Updated
Improper access control in the permission validation component in Devolutions Server 2026.1.19 and earlier allows an authenticated user with entry edit privileges to modify asset information without the required permission.
Sources
- CVE.orgVulnerability recordCVE-2026-9590
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-9590
30-day exploitation probability 0.18%
first.org - NIST NVDVulnerability recordCVE-2026-9590
Improper access control in the permission validation component in Devolutions Server 2026.1.19 and earlier allows an authenticated user with entry edit privileges to modify asset information without the required permission.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 25, 2026
- CVE.orgOct 18, 2026
- NIST NVDOct 17, 2026