CVE-2026-4924: Improper authentication in the two-factor authentication (2FA) feature in Devolutions Server 2026.1.11 and e

Routine

HIGH 8.2UPGRADE

CVE-2026-4924 is a high-severity flaw (CVSS 8.2) affecting devolutions server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper authentication in the two-factor authentication (2FA) feature in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multifactor authentication and gain unauthorized access to the victim account via reuse of a partially authenticated session token.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-1390
Published	2026-04-01
Last modified	2026-10-26

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

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-01 16:23 UTCPublished CVE record published
2026-10-26 00:10 UTCUpdated Record last modified

devolutions devolutions server UPGRADE

Affected: < 2025.3.18.0 · >= 2026.1.1.0 and < 2026.1.12.0

Fixed in: 2025.3.18.0, 2026.1.12.0

Safe to downgrade to: a release before 2026.1.1.0

1. Check installed version

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

2. UPGRADE to 2025.3.18.0 (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 2026.1.1.0 (Debian / Ubuntu)

apt-cache madison devolutions-server sudo apt install devolutions-server=<VERSION_BEFORE_2026.1.1.0> 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_2026.1.1.0> 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-2026-4924?

devolutions server: upgrade to 2025.3.18.0, 2026.1.12.0. Exact commands for each OS are on this page.

Is CVE-2026-4924 being exploited?

CVE-2026-4924 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-2026-4924 affect?

CVE-2026-4924 affects devolutions server. Severity is high (CVSS 8.2). Improper authentication in the two-factor authentication (2FA) feature in Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid credentials to bypass multifactor authentication and gain unauthorized access to the

How urgent is CVE-2026-4924?

Priority 35/100. High severity

Related CVEs

CVE-2026-8407 MEDIUM 4.3 UPGRADE Missing authorization in the PAM module in Devolutions Server allows an authenticated user with a PAM license
CVE-2026-12105 MEDIUM 6.5 UPGRADE Improper access control in Devolutions Server 2026.2.5, 2026.1.21 allows an authenticated user to access atta
CVE-2026-11890 MEDIUM 4.3 UPGRADE Improper access control in PAM account discovery results in Devolutions Server 2026.2.5, 2026.1.21 allows an
CVE-2026-12117 MEDIUM 4.3 UPGRADE Improper access control in the social login connection endpoint in Devolutions Server 2026.2.5 allows an auth
CVE-2026-12755 LOW 2.7 UPGRADE Improper input validation in the PAM AD discovery endpoints in Devolutions Server 2026.2.4.0 through 2026.2.7

References

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