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No exploitation reportedFix availableAwaiting NVD analysis

CVE-2026-118562

Single Content Sync - Critical - Remote code execution - SA-CONTRIB-2026-275

No exploitation reported by the sources we read.

  • Published2026-10-30
  • Fixed in1.4.19
  • WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Deserialization of Untrusted Data vulnerability in Drupal Single Content Sync allows Object Injection. This issue affects Single Content Sync versions: from 0.0.0 to 1.4.19.

Timeline

dates in UTC
  1. 2026-10-3003:08CVE publishedCNA

Versions per branch

OSV
drupal/single_content_sync
BranchAffectedFixed in
1.4< 1.4.191.4.19

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As drupal, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-10-30

Fix

  1. Update drupal/single_content_sync to 1.4.19

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2026-10-30
Last Modified
2026-11-06
NVD status
Awaiting Analysis
GitHub Advisory
GHSA-8c38-6hgm-65rx

Frequently asked questions

What is CVE-2026-118562?

Deserialization of Untrusted Data vulnerability in Drupal Single Content Sync allows Object Injection. This issue affects Single Content Sync versions: from 0.0.0 to 1.4.19.

Is CVE-2026-118562 actively exploited?

Active exploitation of CVE-2026-118562 has not been confirmed. Its EPSS score was 0.3% on 2026-11-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-118562?

CVE-2026-118562 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record