CVE-2026-2003
Title: Information disclosure in PostgreSQL oidvector type validation
Other
Proof Of Concept
No public PoC currently indexed for CVE-2026-2003.
CWE Category
CWE-1287
Published Date
Feb 12, 2026
Modified Date
Feb 20, 2026
Exploit Status
Not Found
Score
4.3
CVSS v3.1
Exploit Probability (EPSS)
0.28%
Vulnerability Summary
CVE-2026-2003: Improper validation of type "oidvector" in PostgreSQL allows a database user to disclose a few bytes of server memory. We have not ruled out viability of attacks that arrange for presence of confidential information in disclosed bytes, but they seem unlikely. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
Impacted Vendors
Reference Links
CVSS v3.1
Source Entity
f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
Severity
MEDIUM
4.3
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:L/UI:N/S:U/C:L/I:N/A:N
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2026-2003 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.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Stack
No specific products linked.