CVE-2025-8526: A vulnerability was found in Exrick xboot up to 3.3.4

Q: How do I fix CVE-2025-8526?

xboot: upgrade to newer than 3.3.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-8526 being exploited?

CVE-2025-8526 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-2025-8526 affect?

CVE-2025-8526 affects xboot. Severity is medium (CVSS 6.3). A vulnerability was found in Exrick xboot up to 3.3.4. It has been declared as critical. This vulnerability affects the function Upload of the file xboot-fast/src/main/java/cn/exrick/xboot/modules/base/controller/common/UploadController.jav

Q: How urgent is CVE-2025-8526?

Priority 35/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2025-8526 is a medium-severity flaw (CVSS 6.3) affecting xboot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Exrick xboot up to 3.3.4. It has been declared as critical. This vulnerability affects the function Upload of the file xboot-fast/src/main/java/cn/exrick/xboot/modules/base/controller/common/UploadController.java. The manipulation of the argument File leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-284, CWE-434
Published	2025-08-04
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: exrick

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

Am I affected?

Timeline

2025-08-04 21:15 UTCPublished CVE record published
2026-06-17 10:07 UTCUpdated Record last modified

exrick xboot UPGRADE

Affected: <= 3.3.4

Fixed in: newer than 3.3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.3.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xboot

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-2025-8526?

xboot: upgrade to newer than 3.3.4. Exact commands for each OS are on this page.

Is CVE-2025-8526 being exploited?

CVE-2025-8526 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-2025-8526 affect?

CVE-2025-8526 affects xboot. Severity is medium (CVSS 6.3). A vulnerability was found in Exrick xboot up to 3.3.4. It has been declared as critical. This vulnerability affects the function Upload of the file xboot-fast/src/main/java/cn/exrick/xboot/modules/base/controller/common/UploadController.jav

How urgent is CVE-2025-8526?

Priority 35/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2025-8528 LOW 3.7 UPGRADE A vulnerability classified as problematic has been found in Exrick xboot up to 3.3.4
CVE-2025-8527 MEDIUM 6.3 UPGRADE A vulnerability was found in Exrick xboot up to 3.3.4
CVE-2025-8525 MEDIUM 5.3 UPGRADE A vulnerability was found in Exrick xboot up to 3.3.4

References

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