CVE-2026-3721: A weakness has been identified in 1024-lab/lab1024 SmartAdmin up to 3.29

Q: How do I fix CVE-2026-3721?

smartadmin: upgrade to newer than 3.29. Exact commands for each OS are on this page.

Q: Is CVE-2026-3721 being exploited?

CVE-2026-3721 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-2026-3721 affect?

CVE-2026-3721 affects smartadmin. Severity is low (CVSS 3.5). A weakness has been identified in 1024-lab/lab1024 SmartAdmin up to 3.29. The affected element is an unknown function of the file sa-base/src/main/java/net/lab1024/sa/base/module/support/helpdoc/domain/form/HelpDocAddForm.java of the compon

Q: How urgent is CVE-2026-3721?

Priority 22/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2026-3721 is a low-severity flaw (CVSS 3.5) affecting smartadmin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A weakness has been identified in 1024-lab/lab1024 SmartAdmin up to 3.29. The affected element is an unknown function of the file sa-base/src/main/java/net/lab1024/sa/base/module/support/helpdoc/domain/form/HelpDocAddForm.java of the component Help Documentation Module. This manipulation causes cross site scripting. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor wa

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-03-08
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: lab1024

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-08 08:16 UTCPublished CVE record published
2026-06-17 10:44 UTCUpdated Record last modified

lab1024 smartadmin UPGRADE

Affected: <= 3.29

Fixed in: newer than 3.29

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.29 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade smartadmin

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-2026-3721?

smartadmin: upgrade to newer than 3.29. Exact commands for each OS are on this page.

Is CVE-2026-3721 being exploited?

CVE-2026-3721 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-2026-3721 affect?

CVE-2026-3721 affects smartadmin. Severity is low (CVSS 3.5). A weakness has been identified in 1024-lab/lab1024 SmartAdmin up to 3.29. The affected element is an unknown function of the file sa-base/src/main/java/net/lab1024/sa/base/module/support/helpdoc/domain/form/HelpDocAddForm.java of the compon

How urgent is CVE-2026-3721?

Priority 22/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2026-3725 MEDIUM 6.3 UPGRADE A flaw has been found in 1024-lab/lab1024 SmartAdmin up to 3.29
CVE-2026-3720 LOW 3.5 UPGRADE A security flaw has been discovered in 1024-lab/lab1024 SmartAdmin up to 3.29

References

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