CVE-2026-34655: 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-2026-34655?

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-2026-34655 being exploited?

CVE-2026-34655 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-2026-34655 affect?

CVE-2026-34655 affects commerce, commerce b2b, magento. Severity is medium (CVSS 4.8). 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 a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious sc

Q: How urgent is CVE-2026-34655?

Priority 24/100. No elevated risk signals yet.

Routine

MEDIUM 4.8UPGRADEUPGRADEUPGRADE

CVE-2026-34655 is a medium-severity flaw (CVSS 4.8) 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 a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-79
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-2026-34655?

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-2026-34655 being exploited?

CVE-2026-34655 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-2026-34655 affect?

CVE-2026-34655 affects commerce, commerce b2b, magento. Severity is medium (CVSS 4.8). 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 a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious sc

How urgent is CVE-2026-34655?

Priority 24/100. No elevated risk signals yet.

Software pages

Magento vulnerabilities

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References

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