Vulnerability · Published Oct 22, 2026 · Assigned by drupal
CVE-2026-16648Mailer Plus Log - Moderately critical - Access bypass - SA-CONTRIB-2026-128
Low 3.8
In plain English
A low-severity sensitive data in logs in Mailer Plus Log 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 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.8Low
Exploit odds (30 days)0.2%top 83.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insertion of Sensitive Information into Log File vulnerability in Drupal Mailer Plus Log allows Remote Services with Stolen Credentials. This issue affects Mailer Plus Log versions: from 0.0.0 to 1.2.7.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/symfony_mailer_log | 1.2.7 | DRUPAL-CONTRIB-2026-128 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Mailer Plus Log | 0.0.0 – before 1.2.7 |
Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N