CVE-2026-26004
Versions prior to 26.1.0 have a cross-organization Insecure Direct Object Reference (IDOR) vulnerability in Sentry's GroupEventJsonView endpoint.
Does this matter?
Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 5.7 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.25% probability · 16th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-639
- Affected
- sentry/sentry
- Source
- security-advisories@github.com
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/getsentry/sentry/commit/45bc78fd57514a04eb62e73dd1eeb3ca2d723997Patch
- https://github.com/getsentry/sentry/pull/105601Issue Tracking, Patch
- https://securitylab.github.com/advisories/GHSL-2025-130_Sentry/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.