November 14, 2026

CVE Watchtower

CVE-2026-71519PrestaShop PrestaShop Authorization Bypass Through User-Controlled Key

NVD

Vulnerability Summary

PrestaShop before 8.2.9 and 9.2.1 contains a broken access control vulnerability that allows an authenticated Webservice API key holder to read and modify customer records belonging to any shop in a multi-shop installation. Attackers can exploit the missing record-level shop ownership check in shopHasRight() and saveEntityFromXml() to read sensitive customer data such as password hashes and secure keys, and change a customer's email and password via create, update, and delete requests, resulting in account takeover.
Severity Level
HIGH(8.6)
Published Date
Nov 9, 2026
Last Modified
Nov 13, 2026
Exploitation Status
No confirmed exploitation yet
CVE Record Status
Published
Root Weakness (CWE)
CWE-639: Authorization Bypass Through User-Controlled Key ↗
The system does not prevent one user from accessing another user data or record by modifying the key value identifying the data.
CVSS v4.0 Base Metrics — Score 8.6 (HIGH)
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
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 8.1)
CVSS v3.1 Base Metrics — Score 8.1 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • PrestaShop PrestaShop < 8.2.9
  • PrestaShop PrestaShop >= 9.0.0 and < 9.2.1
Patched Versions
  • PrestaShop PrestaShop 8.2.9
  • PrestaShop PrestaShop 9.2.1

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is high.

  1. Check whether you run PrestaShop PrestaShop and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 9, 2026Published
  • Nov 13, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 13, 2026 23:01 UTC