CVE-2026-6830
LOWNesquena Hermes WebUI Environment Variable Credential Leakage via Profile Switch
Title source: cnaDescription
nesquena hermes-webui contains an environment variable leakage vulnerability where profile switching does not clear environment variables from the previously active profile before loading the next profile. Attackers or users can exploit additive dotenv reload behavior to access provider API keys and other sensitive secrets from one profile context in another profile, breaking expected security isolation between profiles.
References (5)
Core 5
Core References
Patch patch
Patch Commit
https://github.com/nesquena/hermes-webui/commit/88dc8bbe26a6055161d3251b70f5cd3d3c5831b0
Third Party Advisory third-party-advisory
Release Notes
https://github.com/nesquena/hermes-webui/releases/tag/v0.50.12
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/nesquena-hermes-webui-environment-variable-credential-leakage-via-profile-switch
Scores
CVSS v3
3.3
EPSS
0.0011
EPSS Percentile
1.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-459
CWE-668
Status
published
Products (1)
nesquena/hermes-webui
< PR #351
Published
Apr 21, 2026
Tracked Since
Apr 22, 2026