CVE-2026-44347: Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux

Routine

MEDIUM 5.8WATCHLISTDOWNGRADE

CVE-2026-44347 is a medium-severity flaw (CVSS 5.8) affecting warpgate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.23.3, the SSO flow does not validate the state parameter, which makes it possible for an attacker to trick a user into logging into the attacker's account, possibly convincing them to perform sensitive actions on the attacker's account (such as writing sensitive data to the attacker's SSH target, or logging into an HTTP target that the attacker set up). This vulner

Why this priority

Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-352
Published	2026-05-12
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: warpgate project

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

Am I affected?

Timeline

2026-05-12 23:16 UTCPublished CVE record published
2026-10-26 18:10 UTCUpdated Record last modified

warpgate project warpgate DOWNGRADE

Affected: 0.23.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.23.2

1. Check installed version

apt-cache policy warpgate || rpm -q warpgate || warpgate --version

2. No fixed release: DOWNGRADE to a release before 0.23.2 (Debian / Ubuntu)

apt-cache madison warpgate sudo apt install warpgate=<VERSION_BEFORE_0.23.2> sudo apt-mark hold warpgate

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list warpgate sudo dnf downgrade warpgate-<VERSION_BEFORE_0.23.2> sudo dnf versionlock add warpgate

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-2026-44347?

warpgate: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-44347 being exploited?

CVE-2026-44347 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-2026-44347 affect?

CVE-2026-44347 affects warpgate. Severity is medium (CVSS 5.8). Warpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.23.3, the SSO flow does not validate the state parameter, which makes it possible for an attacker to trick a user into logging into the attacker's account, p

How urgent is CVE-2026-44347?

Priority 31/100. Public exploit reference; On your watchlist

Software pages

MySQL vulnerabilities

Related CVEs

CVE-2026-42189 HIGH 7.5 UPGRADE UPGRADE Russh is a Rust SSH client & server library

References

← Back to latest CVEs