CVE-2026-2003 Vulnerability Analysis & Exploit Details

CVE-2026-2003
Vulnerability Scoring

4.3
/10
Medium Risk

The vulnerability CVE-2026-2003 could compromise system integrity but typically requires user interaction to be exploited.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-2003 Details

Status: Analyzed

Last updated: 🕢 20 Feb 2026, 19:53 UTC
Originally published on: 🕑 12 Feb 2026, 14:16 UTC

Time between publication and last update: 8 days

CVSS Release: version 3

CVSS3 Source

f86ef6dc-4d3a-42ad-8f28-e6d5547a5007

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVE-2026-2003 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.

Assessing the Risk of CVE-2026-2003

Access Complexity Graph

The exploitability of CVE-2026-2003 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-2003

CVE-2026-2003 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-2003, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-2003, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2026-2003 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2026-2003 poses no threat to data integrity.
  • Availability: None
    CVE-2026-2003 does not impact system availability.

CVE-2026-2003 References

External References

CWE Common Weakness Enumeration

CWE-1287

Vulnerable Configurations

  • cpe:2.3:a:postgresql:postgresql:14.0:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.0:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.1:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.1:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.2:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.2:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.3:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.3:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.4:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.4:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.5:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.5:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.6:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.6:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.7:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.7:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.8:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.8:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.9:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.9:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.10:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.10:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.11:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.11:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.12:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.12:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.13:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.13:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.14:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.14:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.15:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.15:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.16:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.16:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.17:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.17:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.18:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.18:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.19:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.19:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:14.20:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:14.20:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.0:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.0:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.1:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.1:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.2:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.2:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.3:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.3:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.4:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.4:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.5:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.5:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.6:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.6:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.7:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.7:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.8:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.8:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.9:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.9:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.10:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.10:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.11:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.11:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.12:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.12:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.13:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.13:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.14:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.14:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:15.15:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:15.15:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.0:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.0:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.1:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.1:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.2:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.2:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.3:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.3:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.4:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.4:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.5:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.5:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.6:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.6:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.7:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.7:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.8:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.8:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.9:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.9:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.10:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.10:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:16.11:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:16.11:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.0:-:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.0:-:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.0:beta3:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.1:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.1:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.2:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.2:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.3:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.3:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.4:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.4:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.5:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.5:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.6:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.6:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:17.7:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:17.7:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:18.0:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:18.0:*:*:*:*:*:*:*
  • cpe:2.3:a:postgresql:postgresql:18.1:*:*:*:*:*:*:*
    cpe:2.3:a:postgresql:postgresql:18.1:*:*:*:*:*:*:*

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