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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-29791

20
FAUCET Score

CVE-2026-29791 affects Agentgateway versions prior to 0.12.0, where unsanitized input in path, query, and header values during OpenAPI request conversion could lead to vulnerabilities. This medium-severity vulnerability (CVSS 4.9) has a network attack vector and high attack complexity, potentially resulting in low confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.12.0CPE matchmatch criteria
cpe:2.3:a:lfprojects:agentgateway:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.14%
Probability of exploitation in next 30 days
EPSS Percentile
4.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0014 is in the 0th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/agentgateway/agentgatewayFixed in: 0.12.0

Vendor Advisories (1)

goGHSA-v2x6-wwfw-r2rqmedium

Agentgateway is missing parameter sanitization in MCP to OpenAPI conversion

Mar 5, 2026

References

github.com / agentgateway/agentgateway/security/advisories/GHSA-v2x6-wwfw-r2rq
Vendor Advisory