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CVE-2025-66372

Mustangproject allows exfiltrating files via XXE attacks

2.8 LowFix available

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.13%Up 0.1 points since Nov 28, 2025
90%50%10%1%

What each source reports

CVE List Score used 2.8

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Record
CVE-2025-66372
CVSS 3.1
2.8 LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Weakness
CWE-611
Updated
2026-11-02
EUVDEUVD-2025-199853 2.8

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Record
EUVD-2025-199853
CVSS 3.1
2.8 LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-x832-fpvj-r5ph 2.8

Mustangproject allows exfiltrating files via XXE attacks

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Record
GHSA-x832-fpvj-r5ph
CVSS 3.1
2.8 LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Weakness
CWE-611
Updated
2026-11-02
NVD 2.8

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Record
CVE-2025-66372
CVSS 3.1
2.8 LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Weakness
CWE-611
Updated
2026-11-02
OSV 2.8

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Record
CVE-2025-66372
CVSS 3.1
2.8 LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Weakness
CWE-611
Updated
2026-11-02
OSVGHSA-x832-fpvj-r5ph 2.8

Mustangproject allows exfiltrating files via XXE attacks

Mustang before 2.16.3 allows exfiltrating files via XXE attacks.

Record
GHSA-x832-fpvj-r5ph
CVSS 3.1
2.8 LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
Weakness
CWE-611
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.mustangproject:library
Maven
before 2.16.3
2.16.3
org.mustangproject:validator
Maven
before 2.16.3
2.16.3
org.mustangproject:library
Maven
before 2.16.3, plus listed versions
2.0.02.0.0-alpha32.0.12.0.22.0.3
Show 39 moreShow less
2.1.02.1.12.10.02.11.02.12.02.13.02.14.02.14.12.14.22.15.02.15.12.15.22.16.02.16.12.16.22.2.02.2.12.3.02.3.12.3.22.3.32.4.02.5.02.5.12.5.22.5.32.5.42.5.52.5.62.5.72.6.02.6.12.6.22.7.02.7.12.7.22.7.32.8.02.9.0
2.16.3
org.mustangproject:validator
Maven
before 2.16.3, plus listed versions
2.0.02.0.0-alpha32.0.12.0.22.0.3
Show 39 moreShow less
2.1.02.1.12.10.02.11.02.12.02.13.02.14.02.14.12.14.22.15.02.15.12.15.22.16.02.16.12.16.22.2.02.2.12.3.02.3.12.3.22.3.32.4.02.5.02.5.12.5.22.5.32.5.42.5.52.5.62.5.72.6.02.6.12.6.22.7.02.7.12.7.22.7.32.8.02.9.0
2.16.3

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-66372 is a low vulnerability (CVSS 2.8) in Mustangproject Mustang, published November 28, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. Fixed in org.mustangproject:library 2.16.3.

References

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