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CVE-2026-126942 Zipline before 4.6.2 Missing Authorization via POST /api/user/folders

5.3 mediumEPSS 0.2%

Medium (5.3) in diced zipline. EPSS 0.2% estimated probability of exploitation activity in the next 30 days.

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Zipline before 4.6.2 contains a missing authorization vulnerability in POST /api/user/folders that allows authenticated users to reparent other users' files by supplying their file IDs. Attackers can harvest file IDs from public folders and create a folder seeded with them, disclosing victims' file URLs and removing those files from their folder views.

Severity

CVSS 4.0

5.3 medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
0.2% estimated probability of exploitation activity in the next 30 days; 15th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: PoC · Automatable: no · Technical impact: partial, assessed 2026-11-13. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-639 Authorization Bypass Through User-Controlled Key
OWASP Top 10
A01:2025 Broken Access Control
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
diced ziplinebefore 4.6.2

References

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