marshmallow (pypi) has 2 known vulnerabilities, the worst rated MODERATE. Upgrade to 3.26.2 or later to clear all of them. No malicious-package signal is recorded.
2 direct dependencies
none carry a known advisory
90 packages depend on it
an advisory here reaches each of them
No published models are known to use this package.
CVSS v3.1 base score out of 10
chance of exploitation in 30 days, 23rd percentile of all CVEs
CyberXYZ composite out of 10
fig. 01 — GHSA-428g-f7cq-pgp5, the advisory selected below
Schema.load(data, many=True) is vulnerable to denial of service attacks.
Full advisory text at GitHub advisory or NVD.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CyberXYZ does not call a package safe in absolute terms. It records 2 known vulnerabilities for marshmallow (pypi), the worst rated MODERATE, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Yes. CyberXYZ records 2 known vulnerabilities for marshmallow (pypi), the worst rated MODERATE. They are GHSA-428g-f7cq-pgp5, GHSA-9q2p-fj49-vpxj.
3.26.2 or later clears every advisory recorded for marshmallow (pypi). Check the release you pick before installing it.
Search marshmallow in CyberXYZ Check at https://cyberxyz.io/check?q=marshmallow. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 11:33 UTC. The most recent advisory here was published 2025-12-22. Updated continuously from NVD, GHSA, OSV and CNA feeds.