Medium severity6.5NVD Advisory· Published Nov 11, 2026
CVE-2026-126934
CVE-2026-126934
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.
Affected products
2Patches
Vulnerability mechanics
References
6- github.com/diced/zipline/blob/v4.7.0/src/server/index.tsnvd
- github.com/diced/zipline/blob/v4.7.0/src/server/startup/plugins.tsnvd
- github.com/diced/zipline/commit/6bac7e6bb18cb37c1d09f91306c1ffbdca00097cnvd
- github.com/diced/zipline/releases/tag/v4.8.0nvd
- github.com/diced/zipline/security/advisories/GHSA-v938-v8wg-9497nvd
- www.vulncheck.com/advisories/zipline-4.3.2-before-4.8.0-rate-limit-bypass-via-spoofed-x-forwarded-fornvd
News mentions
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