CVE-2026-26004

Sentry allows unauthorized access to event data across organizational boundaries

State: Published
Severity: 5.7 Medium
Published: Mar 17, 2026
Updated: Mar 18, 2026
Reserved: Feb 9, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.7 Medium	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	GitHub_M

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
sentrygetsentry	< 26.1.0Affected

References

https://securitylab.github.com/advisories/GHSL-2025-130_Sentry/
https://github.com/getsentry/sentry/pull/105601
https://github.com/getsentry/sentry/commit/45bc78fd57514a04eb62e73dd1eeb3ca2d723997

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