Vulnerability · Published Nov 3, 2026 · Assigned by TYPO3
CVE-2026-120328Information Disclosure in extension "Mail" (mail)
Medium 6.9
In plain English
A medium-severity authorization bypass via user-controlled key in Extension "Mail" from TYPO3. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.4%top 65.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The click tracking middleware does not validate the authentication code of a recipient if the code is omitted. Unauthenticated attackers can retrieve personal data of newsletter recipients, which is inserted into links of sent mails.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TYPO3 | Extension "Mail" | 4.0.0 – before 4.2.00 – before 3.12.5 |
Weakness: CWE-639 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
References
- https://typo3.org/security/advisory/typo3-ext-sa-2026-037 vendor-advisory