Diced Zipline up to 4.4.0 x-zipline-file-extension path traversal

Summaryinfo

A vulnerability classified as critical has been found in Diced Zipline up to 4.4.0. Impacted is an unknown function. The manipulation of the argument x-zipline-file-extension leads to path traversal. This vulnerability is referenced as CVE-2026-126950. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Diced Zipline up to 4.4.0. This issue affects some unknown processing. The manipulation of the argument x-zipline-file-extension with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Zipline through 4.4.0 contains a path traversal vulnerability that allows authenticated attackers to delete arbitrary server files by injecting traversal sequences via the x-zipline-file-extension header. Attackers can upload a file with a poisoned stored name and short expiry so LocalDatasource deletion removes chosen files, causing denial of service or data loss.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-126950 since 11/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Diced

Name

• Zipline

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4.0

Website

• Product: https://github.com/diced/zipline/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion