CVE-2026-1734: A security flaw has been discovered in Zhong Bang CRMEB up to 5.6.3

Q: How do I fix CVE-2026-1734?

crmeb: upgrade to newer than 5.6.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-1734 being exploited?

CVE-2026-1734 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-2026-1734 affect?

CVE-2026-1734 affects crmeb. Severity is medium (CVSS 5.3). A security flaw has been discovered in Zhong Bang CRMEB up to 5.6.3. This vulnerability affects unknown code of the file crmeb/app/api/controller/v1/CrontabController.php of the component crontab Endpoint. The manipulation results in missin

Q: How urgent is CVE-2026-1734?

Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-1734 is a medium-severity flaw (CVSS 5.3) affecting crmeb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in Zhong Bang CRMEB up to 5.6.3. This vulnerability affects unknown code of the file crmeb/app/api/controller/v1/CrontabController.php of the component crontab Endpoint. The manipulation results in missing authorization. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-862, CWE-863
Published	2026-02-02
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: crmeb

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

Am I affected?

Timeline

2026-02-02 00:15 UTCPublished CVE record published
2026-06-17 10:16 UTCUpdated Record last modified

crmeb crmeb UPGRADE

Affected: <= 5.6.3

Fixed in: newer than 5.6.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 5.6.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade crmeb

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-2026-1734?

crmeb: upgrade to newer than 5.6.3. Exact commands for each OS are on this page.

Is CVE-2026-1734 being exploited?

CVE-2026-1734 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-2026-1734 affect?

CVE-2026-1734 affects crmeb. Severity is medium (CVSS 5.3). A security flaw has been discovered in Zhong Bang CRMEB up to 5.6.3. This vulnerability affects unknown code of the file crmeb/app/api/controller/v1/CrontabController.php of the component crontab Endpoint. The manipulation results in missin

How urgent is CVE-2026-1734?

Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-10391 MEDIUM 6.3 UPGRADE A security vulnerability has been detected in CRMEB up to 5.6.1
CVE-2025-10389 MEDIUM 5.4 UPGRADE A security flaw has been discovered in CRMEB up to 5.6.1
CVE-2025-10390 MEDIUM 5.4 UPGRADE A weakness has been identified in CRMEB up to 5.6.1
CVE-2025-11290 MEDIUM 5.6 UPGRADE A vulnerability was identified in CRMEB up to 5.6.1
CVE-2025-11288 MEDIUM 6.3 UPGRADE A security flaw has been discovered in CRMEB up to 5.6

References

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