What’s Vulnerable › Vulnerabilities

CVE-2020-26226: Secret disclosure in semantic-release

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-18 · updated 2026-06-17
• Weakness: CWE-116

Description

In the npm package semantic-release before version 17.2.3, secrets that would normally be masked by `semantic-release` can be accidentally disclosed if they contain characters that become encoded when included in a URL. Secrets that do not contain characters that become encoded when included in a URL are already masked properly. The issue is fixed in version 17.2.3.

Affected products

• semantic-release: before 17.2.3 — fixed in 17.2.3

How to fix

Upgrade to a fixed version: semantic-release 17.2.3. Check the vendor advisory for mitigations.

References

• https://github.com/semantic-release/semantic-release/commit/ca90b34c4a9333438cc4d69faeb43362bb991e5a
• https://github.com/semantic-release/semantic-release/security/advisories/GHSA-r2j6-p67h-q639
• https://github.com/semantic-release/semantic-release/commit/ca90b34c4a9333438cc4d69faeb43362bb991e5a
• https://github.com/semantic-release/semantic-release/security/advisories/GHSA-r2j6-p67h-q639

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