P4Verified

CVE-2026-107348: PgBouncer 1.21.0 to before 1.26.1

CVE-2026-107348. CVSS 3.1 base score 5.9 (MEDIUM, Source advisory).

Affected technology

PgBouncer · 1.21.0 to before 1.26.1
Vendor not specified by the source

Description’s affected range: through 1.26.0

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

A remote attacker can cause a denial of service when max_packet_size is configured above 2147483648. Source advisory’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 15-Oct-2026 00:54 UTC

CWE: CWE-190, CWE-835
CCR priority: 23.6 /100 (P4)
CVSS 3.1: 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-15 01:13:25.227066+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC
OSV.dev · Source record · observed 2026-10-14 16:28:58.499616+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-107348.html