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CVE-2026-22688

33
FAUCET Score

CVE-2026-22688 is a critical command injection vulnerability affecting Tencent WeKnora, an LLM-powered framework, prior to version 0.2.5. Authenticated users can inject malicious commands into MCP stdio settings, leading to arbitrary code execution on the server. With a CVSS score of 8.8 (High), this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 13 mentions, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.2.5CPE matchmatch criteria
cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.9CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.75%
Probability of exploitation in next 30 days
EPSS Percentile
75.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0175 is in the 74th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/Tencent/WeKnoraFixed in: 0.2.5

Vendor Advisories (1)

goGHSA-78h3-63c4-5fqccritical

WeKnora has Command Injection in MCP stdio test

Jan 9, 2026

References

github.com / Tencent/WeKnora/commit/f7900a5e9a18c99d25cec9589ead9e4e59ce04bb
Patch
github.com / Tencent/WeKnora/security/advisories/GHSA-78h3-63c4-5fqc
ExploitVendor Advisory