CVE-2021-32639 Server-Side Request Forgery (SSRF) in emissary:emissary

What is CVE-2021-32639?

CVE-2021-32639 is a high-severity vulnerability in NationalSecurityAgency emissary, published on 2 Jul 2021.

Official description

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.

Weakness: CWE-918

Which versions are affected by CVE-2021-32639?

It affects 1 product.

Products include Nsa Emissary.

How do I fix CVE-2021-32639?

No fix has been published for CVE-2021-32639 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-32639 being exploited?

There is no known exploitation of CVE-2021-32639 in the wild and no public exploit code.

Other vulnerabilities in NationalSecurityAgency emissary

• CVE-2026-35580 Emissary has GitHub Actions Shell Injection via Workflow Inputs Critical 9.1
• CVE-2026-35582 Emissary has an OS Command Injection via Unvalidated IN_FILE_ENDING / OUT_FILE_ENDING in Executrix High 8.8
• CVE-2021-32094 File upload in n/a High 8.8
• CVE-2021-32096 Cross-site request forgery in n/a High 8.8
• CVE-2021-32095 Missing authorization in n/a High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2p8j-2rf3-h4xr.