CVE-2026-52794
Sentry: Inefficient Regular Expression Complexity in sentry
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Sentry is an error tracking and performance monitoring tool. From 24.4.0 until 26.5.2, a Regular Expression Denial of Service (ReDoS) vulnerability exists in Sentry's event ingestion pipeline, where a regex applied to attacker-controlled fields on incoming events can be made to consume disproportionate CPU time. This vulnerability is fixed in 26.5.2.
| CWE | CWE-1333 |
| Vendor | getsentry |
| Product | sentry |
| Published | Jun 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
getsentry / sentry
>= 24.4.0, < 26.5.2