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P4

CVE-2026-91766: php from 8.2.0 (inclusive), before 8.2.34 (exclusive), from 8.3.0 (inclusive), before 8.3.35 (exclusive), from 8.4.0…

CVE-2026-91766 affects azl3 php 8.3.33-1 on Azure Linux 3.0. CVSS 3.1 base score 5.9 (MEDIUM, NVD). EPSS 0.00286 (percentile 0.2096), scored 25-Oct-2026. Fixed version: 7.2.34+e1. Fixed version: 8.1.34+e1.

Affected technology

php · from 8.2.0 (inclusive), before 8.2.34 (exclusive)
php

php · from 8.3.0 (inclusive), before 8.3.35 (exclusive)
php

php · from 8.4.0 (inclusive), before 8.4.26 (exclusive)
php

php · from 8.5.0 (inclusive), before 8.5.11 (exclusive)
php

PHP · 8.2.* to before 8.2.34, 8.3.* to before 8.3.35, 8.4.* to before 8.4.26, 8.5.* to before 8.5.11
PHP Group

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

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

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality impact as high; integrity and availability impact as none. NVD’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-200, CWE-522
Product
azl3 php 8.3.33-1 on Azure Linux 3.0
CCR priority
23.7 /100 (P4)
CVSS 3.1
5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N · NVD
EPSS
0.00286 · percentile 0.2096 · 2026-10-25
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-91766.html