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High severity7.5NVD Advisory· Published Jun 24, 2026· Updated Jun 27, 2026

CVE-2026-52794

CVE-2026-52794

Description

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.

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Affected products

2
  • Getsentry/Sentry2 versions
    cpe:2.3:a:sentry:sentry:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:sentry:sentry:*:*:*:*:*:*:*:*range: >=24.4.0,<26.5.2
    • (no CPE)range: >=24.4.0,<26.5.2

Patches

Vulnerability mechanics

References

2

News mentions

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