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CVE-2026-6830

3.3 · LOW

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…

Published Apr 21, 2026CWE-459EPSS 0.16%

Overview

CVE-2026-6830 is a low-severity vulnerability. It was published on April 21, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/nesquena/hermes-webui/commit/88dc8bbe26a6055161d3251b70f5cd3d3c5831b0GitHubgithub.com/nesquena/hermes-webui/pull/351GitHubgithub.com/nesquena/hermes-webui/releases/tag/v0.50.12GitHubgithub.com/nesquena/hermes-webui/releases/tag/v0.50.132Refwww.vulncheck.com/advisories/nesquena-hermes-webui-environment-variable-credential-leakage-via-profile-switch

How CyberStrike helps

Frequently asked questions

What is CVE-2026-6830?

CVE-2026-6830 is a low-severity vulnerability. It was published on April 21, 2026 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2026-6830?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-6830?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-6830?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-6830 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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