CVE-2026-90814
cosmicstack-labs mercury-agent GitHub API github.ts githubRequest server-side request forgery
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
5.3
cosmicstack-labs mercury-agent GitHub API github.ts githubRequest server-side request forgery
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.
- Record
CVE-2026-90814- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R - CVSS 2.0
- 6.5
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2026-77775
5.3
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.
- Record
EUVD-2026-77775- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fwp2-vg7p-f8x2
2.1
A flaw has been found in cosmicstack-labs mercury-agent up to 1.1.13. Affected by this...
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.
- Record
GHSA-fwp2-vg7p-f8x2- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-918
- Updated
- 2026-11-02
NVD
2.1
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.
- Record
CVE-2026-90814- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
2.1
cosmicstack-labs mercury-agent GitHub API github.ts githubRequest server-side request forgery
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.
- Record
CVE-2026-90814- CVSS 4.0
- 2.1 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-90814 is a medium vulnerability (CVSS 5.3) in Cosmicstack-labs Mercury-agent, published September 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.
References
vuldb.com/vuln/403316
vuldb.com/vuln/403316/cti
vuldb.com/cve/CVE-2026-90814
vuldb.com/submit/922880
github.com/cosmicstack-labs/mercury-agent/issues/81
github.com/cosmicstack-labs/mercury-agent
nvd.nist.gov/vuln/detail/CVE-2026-90814
github.com/advisories/GHSA-fwp2-vg7p-f8x2
github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90814.json