CVE-2025-31674Network attack vector

File inclusion via PHP object-injection gadget chain

Published Mar 31, 2025 · Updated Apr 3, 2025

PHP object injection in affected Drupal core releases allows attackers to include arbitrary files through a PHP gadget chain. Drupal has not disclosed the classes or magic methods forming the chain, but it turns attacker-controlled deserialization into file inclusion. Exploitation requires a separate flaw that passes unsafe input to unserialize(); Drupal reports no such flaw in core, although file inclusion can be escalated to code execution.

CVSS severity7.5
High
EPSS probability0.57%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

PHP object injection in affected Drupal core releases allows attackers to include arbitrary files through a PHP gadget chain. Drupal has not disclosed the classes or magic methods forming the chain, but it turns attacker-controlled deserialization into file inclusion. Exploitation requires a separate flaw that passes unsafe input to unserialize(); Drupal reports no such flaw in core, although file inclusion can be escalated to code execution.

The record

CVE
CVE-2025-31674
Published
Mar 31, 2025
Updated
Apr 3, 2025
Vendor
OAuth.js
Product
Drupal core
Classifications
CWE-915, CAPEC-586, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 31, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.4.0 <10.4.3
  2. Affected versionversion=11.0.0 <11.0.12
  3. Affected versionversion=11.1.0 <11.1.3
  4. Affected versionversion=8.0.0 <10.3.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OAuth.js · Drupal coreversion=10.4.0 <10.4.3; version=11.0.0 <11.0.12; version=11.1.0 <11.1.3; version=8.0.0 <10.3.13

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-915Improperly Controlled Modification of Dynamically-Determined Object Attributes
CAPEC-586Object Injection
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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