CVE-2026-33589
CVE-2026-33589 is a medium-severity vulnerability in Lfnovo Open-notebook with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v4: 8.2
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-28348
- Weakness: CWE-20
- Affected product: Lfnovo Open-notebook
- Published:
- Last modified:
Description
Lack of user input validation in the file upload functionality of Open Notebook v1.8.3 allows the application user to access local files content from the docker container via path traversal.
Frequently asked questions
- What is CVE-2026-33589?
- Lack of user input validation in the file upload functionality of Open Notebook v1.8.3 allows the application user to access local files content from the docker container via path traversal.
- How severe is CVE-2026-33589?
- CVE-2026-33589 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-33589 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-33589?
- CVE-2026-33589 affects Lfnovo Open-notebook. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-33589?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-33589 have an EU (EUVD) identifier?
- Yes. CVE-2026-33589 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28348.
- When was CVE-2026-33589 published?
- CVE-2026-33589 was published on 2026-05-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:lfnovo:open-notebook:*:*:*:*:*:*:*:*
More vulnerabilities in Lfnovo Open-notebook
- CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…
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- CVE-2026-28201 — High (CVSS 7.8): An improper input validation, together with an overly permissive default CORS configuration in Open Notebook v1.8.1…
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