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CVE-2026-90814— cosmicstack-labs mercury-agent GitHub API github.ts githubRequest server-side request forgery

Quick assessment

Affected
cosmicstack-labs mercury-agent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 cosmicstack-labs 的 mercury-agent（版本 1.1.13 及更早版本）中发现了一个缺陷。该漏洞影响了 GitHub API 处理器组件中 文件中的 函数。由于对参数 的操作不当，导致了服务端请求伪造（SSRF, Server-Side Request Forgery）漏洞。该漏洞可被远程利用，且利用方式已公开，可能被攻击者使用。项目方虽已较早通过问题报告获悉此问题，但至今未作回应。

CVSS 6.3 · Medium
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I. Basic Information for CVE-2026-90814

Vulnerability Information
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Vulnerability Title
cosmicstack-labs mercury-agent GitHub API github.ts githubRequest server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in cosmicstack-labs mercury-agent up to 1.1.13. Affected by this vulnerability is the function githubRequest of the file src/utils/github.ts of the component GitHub API Handler. This manipulation of the argument path causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
cosmicstack-labs mercury-agent 1.1.0 cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90814

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III. Intelligence Information for CVE-2026-90814

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Proof of Concept for CVE-2026-90814 (1)

Other References for CVE-2026-90814 (1)

Same Patch Batch · cosmicstack-labs · 2026-09-14 · 5 CVEs total

CVE-2026-90810 6.3 MEDIUM cosmicstack-labs mercury-agent Shell Command Permission Check permissions.ts PermissionMan
CVE-2026-90812 4.3 MEDIUM cosmicstack-labs mercury-agent Shell Command Permission permissions.ts checkShellCommand p
CVE-2026-90813 4.3 MEDIUM cosmicstack-labs mercury-agent Shell Command Execution permissions.ts checkShellCommand va
CVE-2026-90811 3.3 LOW cosmicstack-labs mercury-agent Shell Permission Manifest permissions.ts PermissionManager.

IV. Related Vulnerabilities

Same product: mercury-agent
Same vendor: cosmicstack-labs
Same weakness: CWE-918

V. Comments for CVE-2026-90814

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