dbcve.org
Path TraversalWeakness · CWE-22

CVE-2025-50819

HIGH · 7.1 CVSS v3.1 Published 2025-07-15
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
73/100
Remediation priority · Elevated
Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Directory traversal vulnerability in beiyuouo arxiv-daily thru 2025-05-06 (commit fad168770b0e68aef3e5acfa16bb2e7a7765d687) when parsing the the topic.yml file in the generation logic in daily_arxiv.py.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

A directory traversal vulnerability exists in beiyuouo arxiv-daily's daily_arxiv.py when parsing the topic.yml configuration file. The parser does not properly sanitize or validate file paths, allowing attackers to use path traversal sequences (e.g., ../../../) to access files outside the intended directory.

MitigationImplement strict path validation and sanitization when parsing topic.yml, using allowlisted paths and validating that resolved paths remain within the expected base directory.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm beiyuouo arxiv-daily installation
    Run 'pip show arxiv-daily' or locate daily_arxiv.py in your Python environment
    Affected if The arxiv-daily package or daily_arxiv.py script is present on the system
  2. Check the installed version
    Run 'pip show arxiv-daily' to get the version number, then compare against any patched version published by the maintainer
    Affected if The installed version is older than the patched version for this vulnerability
  3. Locate topic.yml configuration file
    Find topic.yml in the application directory or configuration path used by arxiv-daily
    Affected if topic.yml exists and is being parsed by daily_arxiv.py
  4. Inspect topic.yml for path traversal sequences
    Open topic.yml and search for path traversal patterns such as '../', '..\', or absolute file paths that reference directories outside the intended configuration directory
    Affected if topic.yml contains path traversal sequences (e.g., ../../../) that point to files or directories outside the expected base directory

If arxiv-daily is installed with a version predating the patch, and topic.yml contains path traversal sequences accessing files outside the intended directory, the environment is affected by this vulnerability.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement strict path validation and sanitization when parsing topic.yml, using allowlisted paths and validating that resolved paths remain within the expected base directory.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing1.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,270
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-50819 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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