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CVE-2026-31889— Shopware has a potential take over of app credentials

Quick assessment

Affected
shopware core
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Shopware是德国Shopware公司的一套开源电子商务软件。 Shopware 6.6.10.15之前版本和6.7.8.1之前版本存在安全漏洞，该漏洞源于应用程序注册流程存在缺陷，可能导致攻击者劫持商店与应用程序之间的通信信道。

CVSS 8.9 · High EPSS 0.41% · P33

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-31889

Vulnerability Information
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Vulnerability Title
Shopware has a potential take over of app credentials
Source: CVE Program / CVE List V5
Vulnerability Description
Shopware is an open commerce platform. Prior to 6.6.10.15 and 6.7.8.1, a vulnerability in the Shopware app registration flow that could, under specific conditions, allow attackers to take over the communication channel between a shop and an app. The legacy app registration flow used HMAC‑based authentication without sufficiently binding a shop installation to its original domain. During re‑registration, the shop-url could be updated without proving control over the previously registered shop or domain. This made targeted hijacking of app communication feasible if an attacker possessed the relevant app‑side secret. By abusing app re‑registration, an attacker could redirect app traffic to an attacker‑controlled domain and potentially obtain API credentials intended for the legitimate shop. This vulnerability is fixed in 6.6.10.15 and 6.7.8.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
Shopware 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Shopware是德国Shopware公司的一套开源电子商务软件。 Shopware 6.6.10.15之前版本和6.7.8.1之前版本存在安全漏洞，该漏洞源于应用程序注册流程存在缺陷，可能导致攻击者劫持商店与应用程序之间的通信信道。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
shopware core >= 6.7.0.0, < 6.7.8.1 -
shopware platform >= 6.7.0.0, < 6.7.8.1 -

II. Public POCs for CVE-2026-31889

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III. Intelligence Information for CVE-2026-31889

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Vendor Advisories for CVE-2026-31889 (1)

Same Patch Batch · shopware · 2026-03-11 · 3 CVEs total

CVE-2026-31888 5.3 MEDIUM Shopware has user enumeration via distinct error codes on Store API login endpoint
CVE-2026-31887 Shopware unauthenticated data extraction possible through store-api.order endpoint

IV. Related Vulnerabilities

Same product: core
Same vendor: shopware
Same weakness: CWE-290

V. Comments for CVE-2026-31889

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