What is CVE-2026-34082?

CVE-2026-34082 is a medium-severity vulnerability in Dify, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-04-20.

How severe is CVE-2026-34082?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Dify

CVE-2026-34082

Dify is an open-source LLM app development platform. Prior to 1.13.1, the method `DELETE /console/api/installed-apps/<appId>/conversations/<conversationId>` has poor authorization checking and allows any Dify-authenticated user to delete someone else's chat history. Version 1.13.1 patches the issue.

Published 2026-04-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Dify
Langgenius Dify — versions < 1.13.1

Weakness classification (CWE)

References

github.com/langgenius/dify/security/advisories/GHSA-fxq3-hh7x-c63p (Exploit, Vendor Advisory)
github.com/langgenius/dify/releases/tag/1.13.1 (Release Notes)

Frequently asked questions

What is CVE-2026-34082?: CVE-2026-34082 is a medium-severity vulnerability in Dify, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-04-20.
How severe is CVE-2026-34082?: Medium severity. CVSS v3 base score is 4.3 out of 10.