Advisoriesby IbisApache Software FoundationCVE-2026-103878
Apache Directory LDAP API: cleartext secrets
High7.5CVE-2026-103878 · Published Oct 2, 2026 · updated Oct 5, 2026
Cleartext transmission of sensitive information vulnerability in Apache Directory LDAP API. A StartTLS extended operation started after a Search request has been sent can lead to receive data in plain text before the TLS Handshake has been completed. This issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9. Users are recommended to upgrade to version 2.1.9, which fixes the issue.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Apache Directory LDAP API Product | >= 2.1.0, < 2.1.9 | 2.1.9 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-345
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