CVE-2026-26004

Sentry allows unauthorized access to event data across organizational boundaries

MEDIUM
6.5
CVSS Score
Published: March 17, 2026 at 11:21 PM UTC
Updated: June 17, 2026 at 10:25 AM UTC
2 products affected across 2 vendorsSentrySentry

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 26.1.0
v < 26.1.0
Affected range stops below 26.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_CONFIRMExploitThird Party Advisory
Source: cverecord
https://securitylab.github.com/advisories/GHSL-2025-130_Sentry/
x_refsource_MISCIssue TrackingPatch
Source: cverecord
https://github.com/getsentry/sentry/pull/105601

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-639

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