CVE Explorer
CVE-2026-56423
MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object.
For Event Reports, EventReportsController::deleteSelection relied on the global perm_add capability rather than a per-report ownership/authorization check. As a result, a contributor-level user could submit report IDs or UUIDs for
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"misp","repo":"https://github.com/MISP/misp","vendor":"misp","versions":[{"lessThanOrEqual":"2.5.41","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:cf945fcc354e79315ff2cfecbe868ebd67ce5ce65d7f44c37e6eb9522ae6aa63 · sha256:d6c8bc005cdf4883… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:cf945fcc354e79315ff2cfecbe868ebd67ce5ce65d7f44c37e6eb9522ae6aa63 · sha256:d6c8bc005cdf4883… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:cf945fcc354e79315ff2cfecbe868ebd67ce5ce65d7f44c37e6eb9522ae6aa63 · sha256:d6c8bc005cdf4883… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["patch"],"url":"https://github.com/MISP/MISP/commit/ada02fa6d7558732aa4712fd5e9451cd8c5b7a64"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:cf945fcc354e79315ff2cfecbe868ebd67ce5ce65d7f44c37e6eb9522ae6aa63 · sha256:d6c8bc005cdf4883… · /containers/cna/references/0
{"tags":["patch"],"url":"https://github.com/MISP/MISP/commit/f99b3f16ef22c7acf10e17036c777759cf031c15"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:cf945fcc354e79315ff2cfecbe868ebd67ce5ce65d7f44c37e6eb9522ae6aa63 · sha256:d6c8bc005cdf4883… · /containers/cna/references/1
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.