CVE-2026-34645: Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affec

Q: How do I fix CVE-2026-34645?

commerce: upgrade to 2.4.4; commerce b2b: upgrade to 1.3.3; magento: upgrade to 2.4.6. Exact commands for each OS are on this page.

Q: Is CVE-2026-34645 being exploited?

CVE-2026-34645 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-34645 affect?

CVE-2026-34645 affects commerce, commerce b2b, magento. Severity is high (CVSS 7.5). Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vu

Q: How urgent is CVE-2026-34645?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADEUPGRADEUPGRADE

CVE-2026-34645 is a high-severity flaw (CVSS 7.5) affecting commerce, commerce b2b, magento. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this issue does not require user interaction.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-863
Published	2026-05-12
Last modified	2026-10-26

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-12 20:16 UTCPublished CVE record published
2026-10-26 18:10 UTCUpdated Record last modified

adobe commerce UPGRADE

Affected: < 2.4.4 · 2.4.4 · 2.4.4 p1 · 2.4.4 p10 · 2.4.4 p11 · 2.4.4 p12 · 2.4.4 p13 · 2.4.4 p14

Fixed in: 2.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.4.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade commerce

Note

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

adobe commerce b2b UPGRADE

Affected: < 1.3.3 · 1.3.3 · 1.3.3 p1 · 1.3.3 p10 · 1.3.3 p11 · 1.3.3 p12 · 1.3.3 p13 · 1.3.3 p14

Fixed in: 1.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy commerce-b2b || rpm -q commerce-b2b || commerce-b2b --version

2. UPGRADE to 1.3.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade commerce-b2b

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade commerce-b2b

Note

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

adobe magento UPGRADE

Affected: < 2.4.6 · 2.4.6 · 2.4.6 p1 · 2.4.6 p10 · 2.4.6 p11 · 2.4.6 p12 · 2.4.6 p13 · 2.4.6 p14

Fixed in: 2.4.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.4.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade magento

Note

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

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-2026-34645?

commerce: upgrade to 2.4.4; commerce b2b: upgrade to 1.3.3; magento: upgrade to 2.4.6. Exact commands for each OS are on this page.

Is CVE-2026-34645 being exploited?

CVE-2026-34645 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-2026-34645 affect?

CVE-2026-34645 affects commerce, commerce b2b, magento. Severity is high (CVSS 7.5). Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vu

How urgent is CVE-2026-34645?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Software pages

Magento vulnerabilities

Related CVEs

CVE-2026-34648 HIGH 7.5 UPGRADE UPGRADE Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affec
CVE-2026-34649 HIGH 7.5 UPGRADE UPGRADE Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affec
CVE-2026-34650 HIGH 7.5 UPGRADE UPGRADE Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affec
CVE-2026-34651 HIGH 7.5 UPGRADE UPGRADE Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affec
CVE-2026-34653 HIGH 8.7 UPGRADE UPGRADE Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affec

References

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