CVE search · CVE-2026-27860
CVE-2026-27860
medium 5.3
If auth_username_chars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out auth_username_chars, or install fixed version. No publicly available exploits are known.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- security@open-xchange.com
- Weakness
- CWE-90
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | low 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
security@open-xchange.comSecondary |
| CVSS 3.1 | medium 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- dovecot · dovecot
- open-xchange · dovecot