10

CVE-2026-22688: WeKnora has Command Injection in MCP stdio test

Analyzed
AliasesGHSA-78h3-63c4-5fqcGO-2026-4292
Published 10-01-2026Last modified 12-01-2026

Vulnerability summary

CVE-2026-22688 is a critical (CVSS 10.0) vulnerability in tencent weknora. EPSS estimates a 1.94% chance of exploitation in the next 30 days, higher than 80% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.94%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2026:21483-1SUSE-SU-2026:0142-1

Timeline

  1. 10-01-2026
    PublishedVulnerability first disclosed.
  2. 12-01-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.94%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

Decrease -0.03 pp

From 1.96% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Weknora

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Github.com/Tencent1 product
  • WeKnora< 0.2.5
Tencent1 product

2 vendors · 2 products

References

5 links