Security readout for executives and security teams
Plain-English summary
Authenticated Jupyter Notebook users could reach individual hidden files even when directory listings hid them. The issue matters when Notebook serves a directory containing sensitive hidden files, such as a home directory. It is not a broad unauthenticated breach, and the sources describe relatively low impact.
Executive priority
Prioritize normal patching for shared or multi-user notebook servers. Escalate if notebooks serve home directories or sensitive hidden configuration files. This is not sourced as actively exploited, but it can expose secrets to already authenticated users.
Technical view
Before Jupyter Notebook 6.4.12, ContentsManager.allow_hidden = False blocked listing hidden directories but did not prevent direct access to hidden files or files inside hidden directories. The weakness is forced browsing, CWE-425, requiring authenticated network access with low confidentiality impact and no stated integrity or availability impact.
Likely exposure
Exposure is most likely on Jupyter Notebook versions before 6.4.12 where authenticated users can access a server rooted at sensitive paths, especially home directories containing hidden files.
Exploitation context
The CVE source says fully authenticated requests are required. It also says this generally does not increase privileges because authenticated notebook users often already have server execution access. The bundle does not cite active exploitation or CISA KEV listing.
Researcher notes
The key boundary failure is hidden versus inaccessible. Validate configuration and deployment assumptions rather than assuming privilege escalation. Evidence is limited to the CVE and Jupyter advisory; no workaround is named, and exploit activity is not supported by the provided sources.
Mitigation direction
- Upgrade Jupyter Notebook to version 6.4.12 or later.
- Check current Jupyter vendor guidance for supported remediation details.
- Avoid serving directories that contain sensitive hidden files.
- Do not rely on hidden filenames as an access control boundary.
- Restrict notebook authentication and user access to trusted users only.
Validation and detection
- Inventory Jupyter Notebook deployments and record package versions.
- Flag any Notebook version earlier than 6.4.12.
- Review whether ContentsManager.allow_hidden is set to False.
- Identify servers rooted at home directories or paths with hidden secrets.
- Confirm authenticated user groups are appropriate for hosted files.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-425: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-29238 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/jupyter/notebook/security/advisories/GHSA-v7vq-3x77-87vgCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Direct Request ('Forced Browsing')
Direct Request ('Forced Browsing') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.