SSRF in Cosmicstack-Labs Mercury-Agent
CVE-2026-90814
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (30.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Cosmicstack-Labs Mercury-Agent — versions 1.1.0, 1.1.1, 1.1.10
Weakness classification (CWE)
References
- vuldb.com/vuln/403316 (technical-description, vdb-entry)
- vuldb.com/vuln/403316/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90814 (third-party-advisory)
- vuldb.com/submit/922880 (third-party-advisory)
- github.com/cosmicstack-labs/mercury-agent/issues/81 (issue-tracking, exploit)
- github.com/cosmicstack-labs/mercury-agent/ (product)
Frequently asked questions
- What is CVE-2026-90814?
- CVE-2026-90814 is a medium-severity vulnerability in Cosmicstack-Labs Mercury-Agent, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-09-14.
- How severe is CVE-2026-90814?
- Medium severity. CVSS v3 base score is 6.3 out of 10.