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Description

Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.

PUBLISHED Reserved 2026-03-23 | Published 2026-05-07 | Updated 2026-05-07 | Assigner ENISA




CRITICAL: 9.2CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N

Problem types

CWE-20 Improper input validation

Product status

Default status
unaffected

Any version
affected

Credits

CERT-EU finder

References

github.com/...tebook/security/advisories/GHSA-f35w-wx37-26q7 vendor-advisory

cve.org (CVE-2026-33587)

nvd.nist.gov (CVE-2026-33587)

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