CVE-2026-35583 — Emissary has a Path Traversal via Blacklist Bypass in Configuration API
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the configuration API endpoint (/api/configuration/{name}) validated configuration names using a blacklist …
Published: 2026-04-07 · CVSS: 5.3 · CVSS 3.1
Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, the configuration API endpoint (/api/configuration/{name}) validated configuration names using a blacklist approach that checked for \, /, .., and trailing .. This could potentially be bypassed using URL-encoded variants, double-encoding, or Unicode normalization to achieve path traversal and read configuration files outside the intended directory. This vulnerability is fixed in 8.39.0.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7