Vulnerability · CVE-2026-33609
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
Published Apr 22, 2026 · catalog updated Jun 17, 2026 · Incomplete escaping of LDAP
Check if you run it
No confirmed exploitation is on record for CVE-2026-33609. EPSS is 0.46%. Act only if a listed version of Incomplete escaping of LDAP is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Incomplete escaping of LDAP).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.46%
- Remediation
- Advisory link
- Affected products
- cpe powerdns/authoritative
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe powerdns/authoritativeversion unspecified
How to fix CVE-2026-33609
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-33609. EPSS is 0.46%. Act only if a listed version of Incomplete escaping of LDAP is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-90: LDAP Injection. EPSS 0.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Apr 22, 2026 · NIST NVD
Detected
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
Jun 17, 2026 · NIST NVD
Updated
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
Sources
- CVE.orgVulnerability recordCVE-2026-33609
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-33609
30-day exploitation probability 0.5%
first.org - NIST NVDVulnerability recordCVE-2026-33609
Incomplete escaping of LDAP queries when running with 8bit-dns enabled allows users to perform queries of internal domain subtrees.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.