Dashboard / CVE-2026-18893

CVE-2026-18893

HIGH
MEDIUM Priority: 0.01 BB Relevance: 39/100
Published: 2026-11-08 Modified: 2026-11-09 First seen: 2026-11-08 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: None

Description

IBM CockroachDB PostgreSQL for IBM VPC 26.2.0 through 26.2.3, 25.4.0 through 25.4.12, and 25.2.0 through 25.2.20 is vulnerable to privilege escalation via user-defined function.

Weakness Classification (1)

Affected Software (6)

VendorProductVersion
IBM CockroachDB PostgreSQL for IBM VPC 26.2.0
IBM CockroachDB PostgreSQL for IBM VPC 25.4.0
IBM CockroachDB PostgreSQL for IBM VPC 25.2.0
IBM CockroachDB PostgreSQL for IBM VPC 26.2.0
IBM CockroachDB PostgreSQL for IBM VPC 25.4.0
IBM CockroachDB PostgreSQL for IBM VPC 25.2.0

References & Advisories (1)

Bug Bounty Relevance

39 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

7.1 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.14%
Raw Score 0.001370
Percentile 3.2%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00137
2026-11-12
0.00137
2026-11-10
0.00137
2026-11-09
0.00137

Intelligence Sources

mitre ref →
nvd ref →

External Links