CVE-2026-6830

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.

Score

CVSS 4.0 4.8 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-04-21

Last modified

2026-10-25

Weaknesses

CWE-459, CWE-668

Affected products

• Hermes Web Ui (Get-hermes)

References

• https://github.com/nesquena/hermes-webui/commit/88dc8bbe26a6055161d3251b70f5cd3d3c5831b0
• https://github.com/nesquena/hermes-webui/pull/351
• https://github.com/nesquena/hermes-webui/releases/tag/v0.50.132
• https://github.com/nesquena/hermes-webui/releases/tag/v0.50.12
• https://www.vulncheck.com/advisories/nesquena-hermes-webui-environment-variable-credential-leakage-via-profile-switch