CVE-2026-90810
cosmicstack-labs mercury-agent Shell Command Permission Check permissions.ts PermissionManager.checkShellCommand improper authorization
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A security flaw has been discovered in cosmicstack-labs mercury-agent up to 1.1.13. The impacted element is the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Command Permission Check. Performing a manipulation results in improper authorization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | 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 |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | 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 |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Low2.1 | 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 |
- EPSS (exploitation in 30 days)
- 0.37% · top 69% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
cosmicstack-labs · mercury-agent
- affected 1.1.0
- affected 1.1.1
- affected 1.1.2
- affected 1.1.3
- affected 1.1.4
- affected 1.1.5
- affected 1.1.6
- affected 1.1.7
- affected 1.1.8
- affected 1.1.9
- affected 1.1.10
- affected 1.1.11
- affected 1.1.12
- affected 1.1.13
References (6)
- VDB-403312 | cosmicstack-labs mercury-agent Shell Command Permission Check permissions.ts PermissionManager.checkShellCommand improper authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-403312 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-90810 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #922876 | cosmicstack-labs mercury-agent <= 1.1.13 Improper Authorization (CWE-285) (opens in a new tab)third-party-advisoryexploit
- https://github.com/cosmicstack-labs/mercury-agent/issues/101 (opens in a new tab)exploitissue-tracking
- https://github.com/cosmicstack-labs/mercury-agent/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-90810)Record last updated .