Vulnerability · Published Mar 17, 2026 · Assigned by GitHub_M

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

Medium 5.7

In plain English

A medium-severity authorization bypass via user-controlled key in sentry from getsentry. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 4.0)5.7Medium
Exploit odds (30 days)0.3%top 82.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
getsentry sentry < 26.1.0

Weakness: CWE-639 · Vector: 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

References