CVE-2025-8839: A vulnerability was found in jshERP up to 3.5

Routine

MEDIUM 6.3DOWNGRADE

CVE-2025-8839 is a medium-severity flaw (CVSS 6.3) affecting jsherp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in jshERP up to 3.5. This issue affects some unknown processing of the file /jshERP-boot/user/addUser of the component Endpoint. The manipulation leads to improper authorization. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-266, CWE-285
Published	2025-08-11
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: jishenghua

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

Am I affected?

Timeline

2025-08-11 09:15 UTCPublished CVE record published
2026-06-17 10:07 UTCUpdated Record last modified

jishenghua jsherp DOWNGRADE

Affected: 3.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.5 (Debian / Ubuntu)

apt-cache madison jsherp sudo apt install jsherp=<VERSION_BEFORE_3.5> sudo apt-mark hold jsherp

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list jsherp sudo dnf downgrade jsherp-<VERSION_BEFORE_3.5> sudo dnf versionlock add jsherp

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-2025-8839?

jsherp: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-8839 being exploited?

CVE-2025-8839 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-2025-8839 affect?

CVE-2025-8839 affects jsherp. Severity is medium (CVSS 6.3). A vulnerability was found in jshERP up to 3.5. This issue affects some unknown processing of the file /jshERP-boot/user/addUser of the component Endpoint. The manipulation leads to improper authorization. The attack may be initiated remotel

How urgent is CVE-2025-8839?

Priority 34/100. Public exploit reference

Related CVEs

CVE-2025-67341 MEDIUM 4.6 UPGRADE jshERP versions 3.5 and earlier are affected by a stored XSS vulnerability
CVE-2025-67344 MEDIUM 4.6 UPGRADE jshERP v3.5 and earlier is affected by a stored Cross Site Scripting (XSS) vulnerability via the /msg/add endp
CVE-2025-55371 MEDIUM 5.3 DOWNGRADE Incorrect access control in the component /controller/PersonController.java of jshERP v3.5 allows unauthorized
CVE-2025-55370 HIGH 8.8 DOWNGRADE Incorrect access control in the component \controller\ResourceController.java of jshERP v3.5 allows unauthoriz
CVE-2025-55368 HIGH 8.8 DOWNGRADE Incorrect access control in the component \controller\RoleController.java of jshERP v3.5 allows unauthorized a

References

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