What’s Vulnerable › Vulnerabilities

CVE-2026-31048

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-13 · updated 2026-06-17
• Weakness: CWE-94

Description

An issue in the <code>pickle</code> protocol of Pyro v3.x allows attackers to execute arbitrary code via supplying a crafted pickled string message.

References

• https://github.com/Sif-0x01/security-advisories/security/advisories/GHSA-7625-w9h5-83rv
• https://github.com/irmen/Pyro3/blob/master/Pyro/protocol.py#L672-L711
• https://github.com/irmen/Pyro3/blob/master/docs/9-security.html#L341-L346

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