DocsgptApplication · Arc53

CVE-2026-26015

CRITICAL · 9.8 CVSS v3.1 Published 2026-04-29
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Public exploit Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
DocsGPT is a GPT-powered chat for documentation. From version 0.15.0 to before version 0.16.0, an attacker accessing both the official DocsGPT website or any local and public deployment, can craft a malicious payload bypassing the "MCP test" behavior to achieve arbitrary remote code execution (RCE). This issue has been patched in version 0.16.0.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

DocsGPT versions 0.15.0 through versions prior to 0.16.0 contain a critical vulnerability allowing remote code execution through a malicious payload that bypasses the MCP test functionality. An attacker can achieve arbitrary RCE on any deployment of the affected versions.

MitigationUpgrade DocsGPT to version 0.16.0 or later to apply the security patch that prevents the MCP test bypass leading to RCE.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
DocsgptApplication
Affected:= 0.15.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify installed DocsGPT version
    Check the version of DocsGPT currently deployed in your environment. This is typically visible in the application UI, startup logs, or by querying the running container/service for its version metadata.
    Affected if The installed version is 0.15.0 or any version from 0.15.0 up to but not including 0.16.0.
  2. Confirm MCP test functionality is enabled
    Locate the MCP (Model Context Protocol) test feature in the DocsGPT configuration or API. This is typically found in the admin panel, settings file, or feature flags under the MCP or integrations section.
    Affected if The MCP test functionality is present and enabled in the deployment.
  3. Verify MCP test endpoint accessibility
    Check if the MCP test endpoint or interface is exposed to the network. This can be done by reviewing your reverse proxy configuration, firewall rules, and the application's routing configuration to determine if the MCP test route is publicly accessible.
    Affected if The MCP test functionality is accessible from the network without authentication or from untrusted users.

Your environment is affected if DocsGPT is version 0.15.0 or any version >= 0.15.0 and < 0.16.0, and the MCP test functionality is enabled and accessible to potential attackers.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade DocsGPT to version 0.16.0 or later to apply the security patch that prevents the MCP test bypass leading to RCE.

Recommended fix High confidence

0.16.0

  1. Backup your current DocsGPT installation and any persistent data
  2. Stop the running DocsGPT service
  3. Download DocsGPT version 0.16.0 from the official repository
  4. Replace the existing DocsGPT files with version 0.16.0 files
  5. Restart the DocsGPT service
  6. Verify the application is running correctly and the vulnerability is resolved

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Docsgpt Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing12.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,760
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-26015 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data