CVE Explorer
CVE-2026-26936
Inefficient Regular Expression Complexity (CWE-1333) in the AI Inference Anonymization Engine in Kibana can lead Denial of Service via Regular Expression Exponential Blowup (CAPEC-492).
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Kibana","vendor":"Elastic","versions":[{"lessThanOrEqual":"9.2.4","status":"affected","version":"9.0.0","versionType":"semver"},{"lessThanOrEqual":"8.19.10","status":"affected","version":"8.0.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:9609e4183501ef1aea63bdf72859c2aa9d0ac42eac1fd569a91237c09d9346ee · sha256:273990dbabb0f9d5… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:9609e4183501ef1aea63bdf72859c2aa9d0ac42eac1fd569a91237c09d9346ee · sha256:273990dbabb0f9d5… · /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_v5cweurn:baitaphish:normalized-source-record:v2:9609e4183501ef1aea63bdf72859c2aa9d0ac42eac1fd569a91237c09d9346ee · sha256:273990dbabb0f9d5… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-14/385250"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:9609e4183501ef1aea63bdf72859c2aa9d0ac42eac1fd569a91237c09d9346ee · sha256:273990dbabb0f9d5… · /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.