Description
Zipline 4.3.2 before 4.8.0 contains a rate limit bypass vulnerability that allows unauthenticated attackers to evade throttling by spoofing X-Forwarded-For headers when core.trustProxy is enabled. Attackers can send a different X-Forwarded-For value per request to obtain fresh rate-limit buckets, enabling unlimited guessing of login passwords, TOTP codes, and file and URL passwords.
Published: 2026-11-11
Score: 6.9 Medium
EPSS: n/a
KEV: No
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Remediation

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Tracking

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Advisories

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History

Wed, 11 Nov 2026 23:00:00 +0000

Type Values Removed Values Added
Description Zipline 4.3.2 before 4.8.0 contains a rate limit bypass vulnerability that allows unauthenticated attackers to evade throttling by spoofing X-Forwarded-For headers when core.trustProxy is enabled. Attackers can send a different X-Forwarded-For value per request to obtain fresh rate-limit buckets, enabling unlimited guessing of login passwords, TOTP codes, and file and URL passwords.
Title Zipline 4.3.2 before 4.8.0 Rate Limit Bypass via Spoofed X-Forwarded-For
Weaknesses CWE-348
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-11T22:53:19.421Z

Reserved: 2026-11-11T22:45:25.863Z

Link: CVE-2026-126934

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-11T23:17:23.273

Modified: 2026-11-11T23:17:23.273

Link: CVE-2026-126934

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses