Vulnerability in Saleor

CVE-2026-39851

Saleor is an e-commerce platform. From 2.10.0 to before 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118, the requestEmailChange() mutation was revealing the existence of user-provided email addresses in error messages. This vulnerability is fixed in 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118.

Published · last modified .

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:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-39851: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

  • Saleor — versions >= 2.10.0, < 3.20.118, 3.23.0, >= 3.23.0-a.0, < 3.23.0a3

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-39851?
CVE-2026-39851 is a medium-severity vulnerability in Saleor, classified under Observable Response Discrepancy. CVSS score: 4.3/10. Published 2026-04-08.
How severe is CVE-2026-39851?
Medium severity. CVSS v3 base score is 4.3 out of 10.