CVE-2026-39851: Saleor is an e-commerce platform

Routine

MEDIUM 4.3UPGRADE

CVE-2026-39851 is a medium-severity flaw (CVSS 4.3) affecting saleor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-204
Published	2026-04-08
Last modified	2026-07-24

Publisher (CNA): GitHub, Inc. · Vendor: saleor

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-08 19:25 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

saleor saleor UPGRADE

Affected: >= 2.10.0 and < 3.20.118 · >= 3.21.0 and < 3.21.54 · >= 3.22.0 and < 3.22.47 · 3.23.0 alpha0 · 3.23.0 alpha1 · 3.23.0 alpha2

Fixed in: 3.20.118, 3.21.54, 3.22.47

Safe to downgrade to: a release before 2.10.0

1. Check installed version

apt-cache policy saleor || rpm -q saleor || saleor --version

2. UPGRADE to 3.20.118 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade saleor

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade saleor

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2.10.0 (Debian / Ubuntu)

apt-cache madison saleor sudo apt install saleor=<VERSION_BEFORE_2.10.0> sudo apt-mark hold saleor

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list saleor sudo dnf downgrade saleor-<VERSION_BEFORE_2.10.0> sudo dnf versionlock add saleor

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-39851?

saleor: upgrade to 3.20.118, 3.21.54, 3.22.47. Exact commands for each OS are on this page.

Is CVE-2026-39851 being exploited?

CVE-2026-39851 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-39851 affect?

CVE-2026-39851 affects saleor. Severity is medium (CVSS 4.3). 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

How urgent is CVE-2026-39851?

Priority 19/100. No elevated risk signals yet.

Related CVEs

CVE-2026-33756 HIGH 7.5 UPGRADE Saleor is an e-commerce platform
CVE-2026-35401 HIGH 7.5 UPGRADE Saleor is an e-commerce platform
CVE-2026-35407 MEDIUM 6.5 UPGRADE Saleor is an e-commerce platform

References

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