CVE Explorer
CVE-2026-4399
Prompt injection vulnerability in 1millionbot Millie chatbot that occurs when a user manages to evade chat restrictions using Boolean prompt injection techniques (formulating a question in such a way that, upon receiving an affirmative response ('true'), the model executes the injected instruction), causing it to return prohibited information and information outside its intended context. Successful exploitation of this vulnerability could allow a malicious remote attacker to abuse the service fo
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Millie chat","vendor":"1millionbot","versions":[{"status":"affected","version":"3.6.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:11e6af354f2201cedb34d6a2d424ec6b8173e92c596181fe7de0e096401ddfa1 · sha256:04216b218e6d25ee… · /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":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:11e6af354f2201cedb34d6a2d424ec6b8173e92c596181fe7de0e096401ddfa1 · sha256:04216b218e6d25ee… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-1427","description":"CWE-1427 Improper neutralization of input used for LLM prompting","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:11e6af354f2201cedb34d6a2d424ec6b8173e92c596181fe7de0e096401ddfa1 · sha256:04216b218e6d25ee… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-1millionbot-millie-chatbot"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:11e6af354f2201cedb34d6a2d424ec6b8173e92c596181fe7de0e096401ddfa1 · sha256:04216b218e6d25ee… · /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.