Diced Zipline up to 4.7.x Rate Limit X-Forwarded-For improper control of interaction frequency

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00+

Summaryinfo

A vulnerability was found in Diced Zipline up to 4.7.x. It has been classified as critical. Affected by this issue is some unknown functionality of the component Rate Limit. The manipulation of the argument X-Forwarded-For leads to improper control of interaction frequency. This vulnerability is uniquely identified as CVE-2026-126934. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Diced Zipline up to 4.7.x and classified as critical. This issue affects an unknown code block of the component Rate Limit. The manipulation of the argument X-Forwarded-For with an unknown input leads to a improper control of interaction frequency vulnerability. Using CWE to declare the problem leads to CWE-799. The product does not properly limit the number or frequency of interactions that it has with an actor, such as the number of incoming requests. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-126934 since 11/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

Upgrading to version 4.8.0 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper control of interaction frequency
CWE: CWE-799 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Zipline 4.8.0

Timelineinfo

11/11/2026 CVE reserved
11/11/2026 +0 days VulDB entry created
11/12/2026 +0 days Advisory disclosed
11/12/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CNA: VulnCheck
CVE: CVE-2026-126934 (🔒)

GCVE (CVE): GCVE-0-2026-126934
GCVE (VulDB): GCVE-100-436217

Entryinfo

Created: 11/12/2026 00:28
Changes: 11/12/2026 00:28 (77)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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