Server-Side Request Forgery (SSRF) in emissary:emissary
Priority MEDIUM 45CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Emissary is a P2P-based, data-driven workflow engine. Emissary version 6.4.0 is vulnerable to Server-Side Request Forgery (SSRF). In particular, the `RegisterPeerAction` endpoint and the `AddChildDirectoryAction` endpoint are vulnerable to SSRF. This vulnerability may lead to credential leaks. Emissary version 7.0 contains a patch. As a workaround, disable network access to Emissary from untrusted sources.
Why it matters now
EPSS 0.01395 72nd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NationalSecurityAgency | emissary | up to 6.4.0 | — | No fix listed | CNA |
- emissary VendorNationalSecurityAgency Affected up to 6.4.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nsa:emissary:*:*:*:*:*:*:*:* | up to 6.4.0 | Vulnerable | NationalSecurityAgency |
- cpe:2.3:a:nsa:emissary:*:*:*:*:*:*:*:* Versions up to 6.4.0 Vulnerable ·NationalSecurityAgency
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-32639
References
Exploit 3
- https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-2p8j-2rf3-h4xr
- https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/AddChildDirectoryAction.java
- https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/RegisterPeerAction.java
More NationalSecurityAgency Emissary vulnerabilities
- TI-2026-27685 Emissary has an OS Command Injection via Unvalidated IN_FILE_ENDING / OUT_FILE_ENDING in Executrix CVSS 3.1HIGH 8.8
- TI-2021-12315 Post-authentication Remote Code Execution (RCE) in emissary:emissary CVSS 3.1CRITICAL 9.1
- TI-2026-27683 Emissary has GitHub Actions Shell Injection via Workflow Inputs CVSS 3.1CRITICAL 9.1
- TI-2021-12047 U.S. CVSS 3.1HIGH 8.8
- TI-2021-12049 The ConsoleAction component of U.S. CVSS 3.1HIGH 8.8
- TI-2021-12048 U.S. CVSS 3.1HIGH 8.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences