CVE-2025-9552: Vulnerability in Drupal Synchronize composer.Json With Contrib Modules.This issue affects Synchronize composer

Routine

MEDIUM 5.3REMOTEMITIGATE

CVE-2025-9552 is a medium-severity flaw (CVSS 5.3) affecting synchronize composer.json with contrib modules. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in Drupal Synchronize composer.Json With Contrib Modules.This issue affects Synchronize composer.Json With Contrib Modules: *.*.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Published	2025-10-10
Last modified	2026-10-08

Publisher (CNA): Drupal.org · Vendor: synchronize composer.json with contrib modules project

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-10 23:15 UTCPublished CVE record published
2026-10-08 13:10 UTCUpdated Record last modified

synchronize composer.json with contrib modules project synchronize composer.json with contrib modules MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy synchronize-composer.json-with-contrib-modules || rpm -q synchronize-composer.json-with-contrib-modules || synchronize-composer.json-with-contrib-modules --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2025-9552?

synchronize composer.json with contrib modules: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-9552 being exploited?

CVE-2025-9552 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-2025-9552 affect?

CVE-2025-9552 affects synchronize composer.json with contrib modules. Severity is medium (CVSS 5.3). Vulnerability in Drupal Synchronize composer.Json With Contrib Modules.This issue affects Synchronize composer.Json With Contrib Modules: *.*.

How urgent is CVE-2025-9552?

Priority 28/100. Remotely exploitable, no login, no user action

Software pages

Drupal vulnerabilities

References

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