CVE-2026-31048

NameCVE-2026-31048
DescriptionAn issue in the <code>pickle</code> protocol of Pyro v3.x allows attackers to execute arbitrary code via supplying a crafted pickled string message.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pyrosource(unstable)(unfixed)

Notes

https://github.com/Sif-0x01/security-advisories/security/advisories/GHSA-7625-w9h5-83rv
This is specific to Pyro 3, later versions of Pyro as packaged in Debian
as src:pyro4 and src:pyro5 use the serpent serialiser, which is not affected

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