CVE-2026-41949: langgenius dify

Dify < 1.14.2 Authorization Bypass via File Preview Endpoint

CVSS 8.2 HighEPSS 0.0043 · 37th percentile

Published by the CVE Program (CNA: VulnCheck) at 18 May 2026, 13:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
langgenius	dify	affected before 1.14.2 semver Other versions: affected

Identifiers

CVE-2026-41949

CNA

VulnCheck

Weakness (CWE)

CWE-639

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.2	High	4.0	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
5.9	Medium	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0043, the 37th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 May 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/langgenius/dify/releases/tag/1.14.2 release-notes
github.com/langgenius/dify/pull/35797 issue-tracking
github.com/langgenius/dify/commit/432a6412a3fdb30ce48003d699b90cc7d890df20 patch
www.vulncheck.com/advisories/dify-authorization-bypass-via-file-preview-endpoint third-party-advisory
www.zafran.io/resources/difytap-zafran-discovers-how-attackers-can-silently-wiretap-ai-data-across-tenants-on-a-platform-powering-1m-apps technical-descriptionexploit
huntr.com/bounties/d50a0240-7951-4939-b989-9bded66c7682 technical-descriptionexploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.