How severe is GHSA-j544-7q9p-6xp8?

GHSA-j544-7q9p-6xp8 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by GHSA-j544-7q9p-6xp8?

GHSA-j544-7q9p-6xp8 affects the following packages: werkzeug (PyPI). Ecosystems affected: PyPI.

How do I fix GHSA-j544-7q9p-6xp8?

Update werkzeug to version 0.15.5 or later. Run your dependency manager's update command and verify no transitive dependencies pin the vulnerable version. Use O3 Security's SCA scanner to confirm the fix is applied across your entire dependency tree.

Is GHSA-j544-7q9p-6xp8 actively exploited in the wild?

Yes. There are 2 known exploit references for GHSA-j544-7q9p-6xp8, including 1 documented proof-of-concept exploit on Exploit-DB and 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for GHSA-j544-7q9p-6xp8?

GHSA-j544-7q9p-6xp8 has an EPSS (Exploit Prediction Scoring System) score of 90.1%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is GHSA-j544-7q9p-6xp8?

GHSA-j544-7q9p-6xp8 is classified as Path Traversal (CWE-22). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Is there exploit tooling available for GHSA-j544-7q9p-6xp8?

A Nuclei detection template exists for GHSA-j544-7q9p-6xp8, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was GHSA-j544-7q9p-6xp8 published, and has it been updated?

GHSA-j544-7q9p-6xp8 was published on May 24, 2022 and was last updated on February 19, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐍 PyPI

GHSA-j544-7q9p-6xp8

HIGH

Pallets Werkzeug vulnerable to Path Traversal

Also known asCVE-2019-14322

Published

May 24, 2022

Updated

Feb 19, 2024

Affected

1 pkg

Patched

1 / 1

Exploits

2 known

EPSS Exploitation Probability

via FIRST.org ↗

90.1%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected

🐍werkzeug

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐍PyPI	`werkzeug`	all versions	0.15.5

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-50101webappspython

Pallets Werkzeug 0.15.4 - Path Traversal

by faisalfs10x · Jul 6, 2021

Exploit-DB Source

Frequently Asked Questions

In Pallets Werkzeug before 0.15.5, SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.

O3 Security · Impact-Aware SCA

Is GHSA-j544-7q9p-6xp8 in your stack?

O3 detects GHSA-j544-7q9p-6xp8 across PyPI dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works