How severe is CVE-2026-39851?

CVE-2026-39851 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-39851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39851?

CVE-2026-39851 primarily affects Saleor. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-39851?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-39851 have an EU (EUVD) identifier?

Yes. CVE-2026-39851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20536.

When was CVE-2026-39851 published?

CVE-2026-39851 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-39851

CVE-2026-39851 is a medium-severity vulnerability in Saleor with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-204.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20536
Weakness: CWE-204
Affected product: Saleor
Published: 2026-04-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-39851?: CVE-2026-39851 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-39851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39851?: CVE-2026-39851 primarily affects Saleor. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-39851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-39851 have an EU (EUVD) identifier?: Yes. CVE-2026-39851 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20536.
When was CVE-2026-39851 published?: CVE-2026-39851 was published on 2026-04-08 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:saleor:saleor:*:*:*:*:*:*:*:*
cpe:2.3:a:saleor:saleor:3.23.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:saleor:saleor:3.23.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:saleor:saleor:3.23.0:alpha2:*:*:*:*:*:*

More vulnerabilities in Saleor

CVE-2026-35401 — High (CVSS 7.5): Saleor is an e-commerce platform. From 2.0.0 to before 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118, a malicious actor can…
CVE-2026-33756 — High (CVSS 7.5): Saleor is an e-commerce platform. From 2.0.0 to before 3.23.0a3, 3.22.47, 3.21.54, and 3.20.118, Saleor supports query…
CVE-2026-24136 — High (CVSS 7.5): Saleor is an e-commerce platform. Versions 3.2.0 through 3.20.109, 3.21.0-a.0 through 3.21.44 and 3.22.0-a.0 through…
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CVE-2023-26051 — Medium (CVSS 6.5): Saleor is a headless, GraphQL commerce platform delivering personalized shopping experiences. Some internal Python…
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All CVEs affecting Saleor →

Other CWE-204 vulnerabilities

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