CVE-2026-126943

Description

Zipline from 4.2.0 before 4.6.2 contains an information disclosure vulnerability that logs sensitive environment variable values, such as OAUTH_OIDC_CLIENT_SECRET, without redaction at startup. Attackers with access to system journal or docker logs can obtain OAuth2 client secrets and use them to exchange intercepted OAuth2 callbacks for valid tokens.

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

• 6.9CVSS 4.0, Mediumfrom the CNA (VulnCheck)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
• 4.9CVSS 3.1, Mediumfrom the CNA (VulnCheck)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Timeline

1. 13 Nov 2026 Published

Weakness

• CWE-532

References

• GitHub Security Advisory (GHSA-2h25-m8rf-v86j)vendor-advisory
• VulnCheck Advisory: Zipline 4.2.0 before 4.6.2 OAuth2 Client Secret Leakage in Startup Logsthird-party-advisory