Vulnerability · Published Oct 30, 2026 · Assigned by drupal
CVE-2026-107257Actstream - Critical - Access bypass - SA-CONTRIB-2026-198
Medium 6.5
In plain English
A medium-severity incorrect authorization in Actstream from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 90.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Incorrect Authorization vulnerability in Drupal Actstream allows Forceful Browsing. This issue affects Actstream versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/actstream | 2.0.1, 2.1.1 | DRUPAL-CONTRIB-2026-198 |
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N