CVE-2026-35583
MEDIUMEmissary <8.39.0 Configuration API - Path Traversal
Title source: manualDescription
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.
References (1)
Core 1
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-hxf2-gm22-7vcm
Scores
CVSS v3
5.3
EPSS
0.0032
EPSS Percentile
23.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (3)
gov.nsa.emissary/emissary
0 - 8.39.0Maven
NationalSecurityAgency/emissary
< 8.39.0
nsa/emissary
< 8.38.0
Published
Apr 07, 2026
Tracked Since
Apr 07, 2026