Vulnerability details

CVE-2026-50562

labring FastGPT

FastGPT: Untrusted PR artifacts are pushed and deployed by privileged preview workflows

CVSS 4.0

9.3Critical

Official description

FastGPT is a knowledge-based AI application platform. At commit 22ebfacbb43311e9b73294040ae0eb87390c6bba and earlier, artifacts built from untrusted pull request code in .github/workflows/preview-docs-build.yml and .github/workflows/preview-fastgpt-build.yml can be downloaded by privileged workflow_run jobs in .github/workflows/preview-docs-push.yml and .github/workflows/preview-fastgpt-push.yml, allowing attacker-controlled Docker images from the document/ tree or FastGPT build context to be pushed to GHCR and, for documentation previews, deployed with secrets.KUBE_CONFIG_CN.

CVSS scores

Score	Version	Source	Vector
9.3Critical	4.0	CVEProject cvelistV5 (CNA) (GitHub_M)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:L`

Affected products

Vendor	Product	Versions	Source
labring	FastGPT	<= 22ebfacbb43311e9b73294040ae0eb87390c6bba	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/labring/FastGPT/security/advisories/GHSA-rvgc-2c29-g876 x_refsource_CONFIRM

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Details

Published: 2026-07-15
Last updated: 2026-07-15
State: Published
Assigner (CNA): GitHub_M

Exploit prediction (EPSS)

0.21%

Probability of exploitation in 30 days

11.8%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-266
Incorrect Privilege Assignment
CWE-494
Download of Code Without Integrity Check
CWE-829
Inclusion of Functionality from Untrusted Control Sphere