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CVE-2026-52794

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:969704e42600bacc3935bb79ccd1b500dc6dd2db43115ad7e40c412be2860bbb
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"sentry","vendor":"getsentry","versions":[{"status":"affected","version":">= 24.4.0, < 26.5.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2c8a23dbf39ef62e2823c2da18dfba38cb5d57547cd556f53df25b72a36d8dc8 · sha256:860e78314faffafc… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2c8a23dbf39ef62e2823c2da18dfba38cb5d57547cd556f53df25b72a36d8dc8 · sha256:860e78314faffafc… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-1333","description":"CWE-1333: Inefficient Regular Expression Complexity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2c8a23dbf39ef62e2823c2da18dfba38cb5d57547cd556f53df25b72a36d8dc8 · sha256:860e78314faffafc… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/getsentry/sentry/pull/116587","tags":["x_refsource_MISC"],"url":"https://github.com/getsentry/sentry/pull/116587"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c8a23dbf39ef62e2823c2da18dfba38cb5d57547cd556f53df25b72a36d8dc8 · sha256:860e78314faffafc… · /containers/cna/references/1
{"name":"https://github.com/getsentry/sentry/security/advisories/GHSA-jjqr-wqg2-p856","tags":["x_refsource_CONFIRM"],"url":"https://github.com/getsentry/sentry/security/advisories/GHSA-jjqr-wqg2-p856"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c8a23dbf39ef62e2823c2da18dfba38cb5d57547cd556f53df25b72a36d8dc8 · sha256:860e78314faffafc… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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