CVE-2026-33608
RCETitle: Malicious notify request causes invalid backend configuration and DoS
RCE
Proof Of Concept
No public PoC currently indexed for CVE-2026-33608.
CWE Category
NVD-CWE-noinfo
Published Date
Apr 22, 2026
Modified Date
Apr 24, 2026
Exploit Status
Not Found
Score
7.4
CVSS v3.1
Exploit Probability (EPSS)
0.38%
Vulnerability Summary
CVE-2026-33608: An attacker can send a notify request that causes a new secondary domain to be added to the bind backend, but causes said backend to update its configuration to an invalid one, leading to the backend no longer able to run on the next restart, requiring manual operation to fix it.
Impacted Vendors
Reference Links
CVSS v3.1
Source Entity
[email protected]
Severity
HIGH
7.4
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS v3.1
Source Entity
[email protected]
Severity
CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2026-33608 Exploits & PoCs (Proof Of Concept)
No public PoCs found in our database for this CVE.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected Stack
No specific products linked.