CVE-2025-66214: Ladybug adds message-based debugging, unit, system, and regression testing to Java applications

Q: How do I fix CVE-2025-66214?

ladybug: upgrade to 3.0-20251107.114628. Exact commands for each OS are on this page.

Q: Is CVE-2025-66214 being exploited?

CVE-2025-66214 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-2025-66214 affect?

CVE-2025-66214 affects ladybug. Severity is high (CVSS 7.0). Ladybug adds message-based debugging, unit, system, and regression testing to Java applications. Versions prior to 3.0-20251107.114628 contain the APIs /iaf/ladybug/api/report/{storage} and /iaf/ladybug/api/report/upload, which allow upload

Q: How urgent is CVE-2025-66214?

Priority 36/100. High severity; Public exploit reference

Routine

HIGH 7.0UPGRADE

CVE-2025-66214 is a high-severity flaw (CVSS 7.0) affecting ladybug. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ladybug adds message-based debugging, unit, system, and regression testing to Java applications. Versions prior to 3.0-20251107.114628 contain the APIs /iaf/ladybug/api/report/{storage} and /iaf/ladybug/api/report/upload, which allow uploading gzip-compressed XML files with user-controllable content. The system deserializes these XML files, enabling attackers to achieve Remote Code Execution (RCE) by submitting carefully crafted XML payloads and

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.0 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-502
Published	2025-12-09
Last modified	2026-10-14

Publisher (CNA): GitHub, Inc. · Vendor: wearefrank

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-09 20:15 UTCPublished CVE record published
2026-10-14 21:10 UTCUpdated Record last modified

wearefrank ladybug UPGRADE

Affected: < 3.0-20251107.114628

Fixed in: 3.0-20251107.114628

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.0-20251107.114628 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ladybug

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-2025-66214?

ladybug: upgrade to 3.0-20251107.114628. Exact commands for each OS are on this page.

Is CVE-2025-66214 being exploited?

CVE-2025-66214 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-2025-66214 affect?

CVE-2025-66214 affects ladybug. Severity is high (CVSS 7.0). Ladybug adds message-based debugging, unit, system, and regression testing to Java applications. Versions prior to 3.0-20251107.114628 contain the APIs /iaf/ladybug/api/report/{storage} and /iaf/ladybug/api/report/upload, which allow upload

How urgent is CVE-2025-66214?

Priority 36/100. High severity; Public exploit reference

Software pages

Java vulnerabilities

References

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