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CVE-2026-26004— Sentry allows unauthorized access to event data across organizational boundaries

Quick assessment

Affected
getsentry sentry
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.

Sentry是Sentry开源的一个面向开发人员的错误跟踪和性能监控平台。 Sentry 26.1.0之前版本存在安全漏洞，该漏洞源于GroupEventJsonView端点存在跨组织不安全的直接对象引用。

AI Predicted 5.0 Difficulty: Easy EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-26004

Vulnerability Information
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Vulnerability Title
Sentry allows unauthorized access to event data across organizational boundaries
Source: CVE Program / CVE List V5
Vulnerability Description
Sentry is a developer-first error tracking and performance monitoring tool. Versions prior to 26.1.0 have a cross-organization Insecure Direct Object Reference (IDOR) vulnerability in Sentry's GroupEventJsonView endpoint. Version 26.1.0 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Sentry 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sentry是Sentry开源的一个面向开发人员的错误跟踪和性能监控平台。 Sentry 26.1.0之前版本存在安全漏洞，该漏洞源于GroupEventJsonView端点存在跨组织不安全的直接对象引用。
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
getsentry sentry < 26.1.0 -

II. Public POCs for CVE-2026-26004

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III. Intelligence Information for CVE-2026-26004

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Patches & Fixes for CVE-2026-26004 (2)

IV. Related Vulnerabilities

Same product: sentry
Same vendor: getsentry
Same weakness: CWE-639

V. Comments for CVE-2026-26004

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