CVE-2026-8477: Improper enforcement of the sealed-entry workflow in the entry sensitive-data retrieval feature in Devolutions

Routine

LOW 2.7UPGRADE

CVE-2026-8477 is a low-severity flaw (CVSS 2.7) affecting devolutions server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper enforcement of the sealed-entry workflow in the entry sensitive-data retrieval feature in Devolutions Server allows an authenticated user with access to a sealed entry to retrieve its sensitive data without triggering the unseal audit notification via a crafted API request. This issue affects : * Devolutions Server 2026.1.6.0 through 2026.1.16.0 * Devolutions Server 2025.3.20.0 and earlier

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.7 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-841
Published	2026-05-22
Last modified	2026-07-23

Publisher (CNA): Devolutions Inc. · Vendor: devolutions

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-22 16:16 UTCPublished CVE record published
2026-07-23 16:10 UTCUpdated Record last modified

devolutions devolutions server UPGRADE

Affected: < 2025.3.22.0 · >= 2026.1.6.0 and < 2026.1.19.0

Fixed in: 2025.3.22.0, 2026.1.19.0

Safe to downgrade to: a release before 2026.1.6.0

1. Check installed version

apt-cache policy devolutions-server || rpm -q devolutions-server || devolutions-server --version

2. UPGRADE to 2025.3.22.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade devolutions-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade devolutions-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2026.1.6.0 (Debian / Ubuntu)

apt-cache madison devolutions-server sudo apt install devolutions-server=<VERSION_BEFORE_2026.1.6.0> sudo apt-mark hold devolutions-server

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list devolutions-server sudo dnf downgrade devolutions-server-<VERSION_BEFORE_2026.1.6.0> sudo dnf versionlock add devolutions-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8477?

devolutions server: upgrade to 2025.3.22.0, 2026.1.19.0. Exact commands for each OS are on this page.

Is CVE-2026-8477 being exploited?

CVE-2026-8477 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8477 affect?

CVE-2026-8477 affects devolutions server. Severity is low (CVSS 2.7). Improper enforcement of the sealed-entry workflow in the entry sensitive-data retrieval feature in Devolutions Server allows an authenticated user with access to a sealed entry to retrieve its sensitive data without triggering the unseal au

How urgent is CVE-2026-8477?

Priority 13/100. No elevated risk signals yet.

Related CVEs

CVE-2026-6706 MEDIUM 6.5 UPGRADE Improper access control in the vault documentation feature in Devolutions Server allows an authenticated att
CVE-2026-5175 MEDIUM 5.0 UPGRADE Improper access control in the multi-factor authentication (MFA) management API in Devolutions Server allows a
CVE-2026-4828 HIGH 8.2 UPGRADE Improper authentication in the OAuth login functionality in Devolutions Server 2026.1.11 and earlier allows a
CVE-2026-4927 MEDIUM 6.5 UPGRADE Exposure of sensitive information in the users MFA feature in Devolutions Server allows users with user manage
CVE-2026-4829 MEDIUM 5.4 UPGRADE Improper authentication in the external OAuth authentication flow in Devolutions Server 2026.1.11 and earlier

References

← Back to latest CVEs