FKIE_CVE-2026-31048

Vulnerability from fkie_nvd - Published: 2026-04-13 20:16 - Updated: 2026-04-27 19:18
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
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
cve@mitre.orghttps://github.com/Sif-0x01/security-advisories/security/advisories/GHSA-7625-w9h5-83rv
cve@mitre.orghttps://github.com/irmen/Pyro3/blob/master/Pyro/protocol.py#L672-L711
cve@mitre.orghttps://github.com/irmen/Pyro3/blob/master/docs/9-security.html#L341-L346
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in the \u003ccode\u003epickle\u003c/code\u003e protocol of Pyro v3.x allows attackers to execute arbitrary code via supplying a crafted pickled string message."
    }
  ],
  "id": "CVE-2026-31048",
  "lastModified": "2026-04-27T19:18:46.690",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-04-13T20:16:33.410",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/Sif-0x01/security-advisories/security/advisories/GHSA-7625-w9h5-83rv"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/irmen/Pyro3/blob/master/Pyro/protocol.py#L672-L711"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/irmen/Pyro3/blob/master/docs/9-security.html#L341-L346"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.