Vulnerability report

Exploitation Attempts Observed in the Wild High Confidence Not in CISA KEV

CVE-2026-118539

Commerce Core - Highly critical - Access bypass - SA-CONTRIB-2026-254

Drupal / Commerce Core · affected before 2.41

Severity
CVSS 9.8 · Critical · Estimated
Confidence
High
Exploit status
Exploitation Attempts Observed in the Wild
EPSS
—
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-118539 is an unauthenticated Commerce Core - Highly critical - Access bypass - SA-CONTRIB-2026-254. Missing Authorization vulnerability in Drupal Commerce Core allows Forceful Browsing. This issue affects...

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Also reported by third-party sources. Confidence is high.

Who is affected?

Drupal / Commerce Core affected before 2.41.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Missing Authorization vulnerability in Drupal Commerce Core allows Forceful Browsing

Missing Authorization vulnerability in Drupal Commerce Core allows Forceful Browsing. This issue affects Commerce Core versions: from 0.0.0 to 2.41, from 3.0.0 to 3.3.13.

Drupal Affected
Commerce Core
Before 2.41 Before 3.3.13
Published
30 Oct 2026
Exploitation Attempts Reported
28 Oct 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

drupal

CVE References

Exploitation evidence

Evidence of exploitation attempts

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploitation Attempts Observed in the Wild

Drupal Contrib

Recorded 28 Oct 2026

A trusted third party reported exploitation attempts.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
Drupal Contrib First 2026-10-28 17:11 UTC
The Hacker News 2026-10-30 08:33 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical Estimated

Potential damage if exploited. Separate from whether attackers are using it.

Previdian estimate — not a CNA or NVD score.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

—

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Recent mention · The Hacker News

Hackers Actively Exploit Highly Critical Drupal Commerce Core Authorization Bypass Flaw

Ravie LakshmananOct 30, 2026Vulnerability / Web Security Drupal has warned that threat actors are exploiting a "highly critical" security flaw in its Commerce Core component. The vulnerability, tracked as CVE-2026-118539 (CVSS score: N/A), is a case of missing authorization...

Read full advisory

All Mentions

Recent mention · The Hacker News

Hackers Actively Exploit Highly Critical Drupal Commerce Core Authorization Bypass Flaw

The Hacker News · 30 Oct 2026

Ravie LakshmananOct 30, 2026Vulnerability / Web Security Drupal has warned that threat actors are exploiting a "highly critical" security flaw in its Commerce Core component. The vulnerability, tracked as CVE-2026-118539 (CVSS score: N/A), is a case of missing authorization affecting Commerce Core versions from 0.0.0 to 2.41 and from 3.0.0 to 3.3.13. "This module enables you to sell goods and services to customers through an included shopping cart and checkout form or through decoupled applications via APIs," Drupal said in an advisory. "The module doesn't sufficiently protect certain...

Recent mention · Drupal Contrib

CVE-2026-118539

Drupal Contrib · 28 Oct 2026

Timeline

From disclosure to observed exploitation attempts

  1. 08:33 UTC

    KEV confirmed by The Hacker News

    Exploitation attempts reported by an external source

  2. 03:09 UTC

    CVE published

    Vulnerability disclosed publicly

  3. 17:11 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party report of exploitation attempts

  4. 15:50 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-118539

Sample API response
{
  "cve_id": "CVE-2026-118539",
  "confidence": "High",
  "cvss_score": 9.8,
  "cvss_estimated": true,
  "epss_score": null,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}