CVE-2026-71531

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

Not scored by EPSS

EPSS percentile

Not scored by EPSS

NVD base score

8.6 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Received. NVD last modified this record on 2026-11-13.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-11-13 22:32Z1 HR AGO

Last updated

2026-11-13 22:32Z1 HR AGO

Reserved

2026-08-06

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.6)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.2

Document digest

e12b8bdf8ca51b90e9cdc9a9b6b424d8add7cfe6f59e52317d7c8aee104ef198

• github.comGitHub Security Advisory (GHSA-3f36-4qv4-vfgh)https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-3f36-4qv4-vfghvendor-advisory
• github.com9.2.1 Release Taghttps://github.com/PrestaShop/PrestaShop/releases/tag/9.2.1release-notespatch
• github.com8.2.9 Release Taghttps://github.com/PrestaShop/PrestaShop/releases/tag/8.2.9release-notespatch
• www.vulncheck.comVulnCheck Advisory: PrestaShop Webservice API Authorization Bypass via id_shop Parameterhttps://www.vulncheck.com/advisories/prestashop-webservice-api-authorization-bypass-via-id-shop-parameterthird-party-advisory