CVE-2026-126938
Zipline before 4.6.4 Upload Quota Bypass via Forged Content-Range Headers
Zipline before 4.6.4 contains a resource allocation vulnerability that allows authenticated users to bypass chunked-upload size and quota checks by forging Content-Range offsets and totals. Attackers can send tiny chunks to the partial upload endpoint with large declared offsets, causing the server to create oversized files and exhaust disk space.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| zipline diced |
≥ 0; < 4.6.4 (affected, semver) 4.6.4 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.1 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 7.1 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H | CNA: VulnCheck |
| 4.0 / 7.1 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: [email protected] |
| 3.1 / 7.1 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H | NVD: [email protected] |
Exploit evidence
- https://github.com/diced/zipline/security/advisories/GHSA-fp8p-hf8g-fw65
exploit · ADP: CISA-ADP
References
- https://github.com/diced/zipline/security/advisories/GHSA-fp8p-hf8g-fw65CNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/zipline-before-4.6.4-upload-quota-bypass-via-forged-content-range-headersCNA: VulnCheck · third-party-advisory
- https://github.com/diced/zipline/security/advisories/GHSA-fp8p-hf8g-fw65ADP: CISA-ADP · exploit
- https://github.com/diced/zipline/security/advisories/GHSA-fp8p-hf8g-fw65[email protected]
- https://www.vulncheck.com/advisories/zipline-before-4.6.4-upload-quota-bypass-via-forged-content-range-headers[email protected]
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