CVE-2026-44347 — Warpgate is an open source SSH, HTTPS and MySQL bastion

CVE-2026-44347 — Warpgate is an open source SSH, HTTPS and MySQL bastion

CVE-2026-44347 — 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 sensitiv

What This Means For You

  • If your environment is affected by CWE-352, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-44347 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

medium T1190 Initial Access

Warpgate SSO State Parameter Tampering Attempt — CVE-2026-44347

Sigma YAML — free preview
title: Warpgate SSO State Parameter Tampering Attempt — CVE-2026-44347
id: scw-2026-05-12-ai-1
status: experimental
level: medium
description: |
  Detects attempts to exploit CVE-2026-44347 by targeting the SSO callback endpoint without a valid state parameter. Attackers can manipulate the 'state' parameter to trick users into logging into the attacker's account.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-44347/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/oauth2/callback'
      cs-uri-query|contains:
          - 'state='
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-44347 vulnerability CVE-2026-44347
CWE-352 weakness CWE-352
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 13, 2026 at 02:16 UTC

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