CVE-2026-126943

Zipline 4.2.0 before 4.6.2 OAuth2 Client Secret Leakage in Startup Logs

Published Nov 13, 2026 CVSS 4.0 · 6.9 Medium EPSS n/a KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

diced

zipline

unaffected

Version	Status	Constraints
`4.2.0`	affected	< 4.6.2
`4.6.2`	unaffected	—

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/diced/zipline/security/advisories/GHSA-2h25-m8rf-v86j
https://www.vulncheck.com/advisories/zipline-4.2.0-before-4.6.2-oauth2-client-secret-leakage-in-startup-logs

History

Nov 13, 2026 9:45 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
Title		Zipline 4.2.0 before 4.6.2 OAuth2 Client Secret Leakage in Startup Logs
Weaknesses		CWE-532
References		https://github.com/diced/zipline/security/advisories/GHSA-2h25-m8rf-v86j https://www.vulncheck.com/advisories/zipline-4.2.0-before-4.6.2-oauth2-client-secret-leakage-in-startup-logs
Metrics		cvssV3_1 `{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}` cvssV4_0 `{'score': 6.9, 'vector': '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'}`