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Vulnerability Database · Debian · Package report

python-flask-cors: vulnerability history, versions and safety

python-flask-cors is a package in the Debian ecosystem. Vulert records 11 vulnerabilities for it across 1 release, from Aug 2020 to May 2025. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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11 vulnerabilities recorded U11
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0 with no fix published

Every vulnerability has a patched version to move to.

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0 in the last 12 months

Nothing new recorded in the last year.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all python-flask-cors vulnerabilities

Vulert verdict on python-flask-cors i

Updated on 23 Oct 2026

Every vulnerability Vulert records for this package has a fix, and the newest was recorded 31 May 2025. Apply the fixes listed below and you are clear.

Long-term outlook: usable, with an upgrade 11 vulnerabilities on record across 4 years, none in the last year.

What to do: Move the affected dependencies to the fixed versions listed below, then keep the package monitored so the next vulnerability reaches you. Fix it, then keep watch: Vulert alerts you when a new vulnerability affects the version you run. Monitor it with Vulert →

  • Vulnerabilities on record 11 over 4 years · 0 in the last year i
  • Latest disclosure 31 May 2025 i
  • Highest CVSS 7.5 i
  • With no published fix 0 i

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01 Versions

Which versions are affected

Every version Vulert holds for python-flask-cors, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.

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Version Vulert vulnerabilities Fix published Details
3.0.9-2 U9 Yes Details →

Newest 1 of 1 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2020 2
  • 2024 2
  • 2025 7

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 11 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for python-flask-cors

The 5 most severe of 11 vulnerabilities recorded for this package

Search all 11 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Directory Traversal Vulnerability in Flask-CORS Package 7.5 high 3.0.9-1 31 Aug 2020
Case-Insensitive Path Matching Vulnerability in python-flask-cors 7.5 high 3.0.9-2+deb11u1 20 Mar 2025
Log Injection Vulnerability in python-flask-cors: CVE-2024-1681 5.3 medium 3.0.9-2+deb11u1 19 Apr 2024
Improper Regex Path Matching in flask-cors 4.0.1 Leading to CORS Vulnerability 5.3 medium 3.0.9-2+deb11u1 20 Mar 2025
CORS Configuration Vulnerability in python-flask-cors: Inconsistent Handling of '+' Character N/A unrated 3.0.9-2+deb11u1 20 Mar 2025

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About python-flask-cors

Is python-flask-cors safe to use?

Vulert records 11 vulnerabilities for python-flask-cors in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 11 not yet rated. Every one of them has a published fix, so the practical answer is to run a supported release and keep it patched.

How many vulnerabilities does python-flask-cors have?

11 vulnerabilities are recorded for python-flask-cors in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 11 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new python-flask-cors vulnerabilities disclosed?

0 vulnerabilities were recorded for python-flask-cors in the last 12 months, and the oldest entry in this database dates to 31 Aug 2020. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of python-flask-cors are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor python-flask-cors for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the python-flask-cors version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.