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Public proof of conceptFix available

CVE-2026-22688

WeKnora has Command Injection in MCP stdio test

A public proof of concept exists; no exploitation attested.

  • Published2026-01-10
  • Fixed in0.2.5
  • WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, there is a command injection vulnerability that allows authenticated users to inject stdio_config.command/args into MCP stdio settings, causing the server to execute subprocesses using these injected values. This issue has been patched in version 0.2.5.

Timeline

dates in UTC
  1. 2026-01-1004:16CVE publishedNVD

Versions per branch

NVD · OSV
Tencent weknora
BranchAffectedFixed in
0.2< 0.2.50.2.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Tencent WeKnora
    Affected
    • = < 0.2.5no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-01-10

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • govulncheck-vulndbopenSUSE:Leap 16.0all versions · fixed in 0.0.20260723T184607-160000.1.1
  • govulncheck-vulndbopenSUSE:Leap 15.6all versions · fixed in 0.0.20260114T191543-150000.1.137.1

Full record on NVD

Fix

  1. Update Tencent weknora to 0.2.5

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2026-01-12
  • CNACVSS 3.19.9known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • CNAweakness (CWE)CWE-77known since 2026-10-23
  • FIRST EPSSEPSS score1.9 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2026-01-09

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-01-10
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-78h3-63c4-5fqc

Frequently asked questions

What is CVE-2026-22688?

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, there is a command injection vulnerability that allows authenticated users to inject stdio_config.command/args into MCP stdio settings, causing the server to execute subprocesses using these injected values. This issue has been patched in version 0.2.5.

Is CVE-2026-22688 actively exploited?

A proof-of-concept exploit exists for CVE-2026-22688, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-22688?

CVE-2026-22688 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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