Vulnerability-Lookup

PYSEC-2026-26

Vulnerability from pysec - Published: 2026-02-13 12:16 - Updated: 2026-05-20 09:18

Details

Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific records from untrusted Avro schemas.

This issue affects Apache Avro Java SDK: all versions through 1.11.4 and version 1.12.0.

Users are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.

Severity ?

7.3 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Impacted products

Name	purl
avro	pkg:pypi/avro

Aliases

CVE-2025-33042

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "avro",
        "purl": "pkg:pypi/avro"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.11.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.10.0",
        "1.10.1",
        "1.10.2",
        "1.11.0",
        "1.11.1",
        "1.11.2",
        "1.11.3",
        "1.3.3",
        "1.4.1",
        "1.5.0",
        "1.5.1",
        "1.5.2",
        "1.5.3",
        "1.5.4",
        "1.6.0",
        "1.6.1",
        "1.6.2",
        "1.6.3",
        "1.7.0",
        "1.7.1",
        "1.7.2",
        "1.7.3",
        "1.7.4",
        "1.7.5",
        "1.7.6",
        "1.7.7",
        "1.8.0",
        "1.8.1",
        "1.8.2",
        "1.9.0",
        "1.9.1",
        "1.9.2"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-33042"
  ],
  "details": "Improper Control of Generation of Code (\u0027Code Injection\u0027) vulnerability in Apache Avro Java SDK when generating specific records from untrusted Avro schemas.\n\nThis issue affects Apache Avro Java SDK: all versions through 1.11.4 and version\u00a01.12.0.\n\nUsers are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.",
  "id": "PYSEC-2026-26",
  "modified": "2026-05-20T09:18:53.723490Z",
  "published": "2026-02-13T12:16:07.570Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2026/02/12/2"
    },
    {
      "type": "REPORT",
      "url": "https://lists.apache.org/thread/fy88wmgf1lj9479vrpt12cv8x73lroj1"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-33042 (GCVE-0-2025-33042)

Vulnerability from cvelistv5 – Published: 2026-02-13 11:47 – Updated: 2026-02-13 18:05

Title

Apache Avro Java SDK: Code injection on Java generated code

Summary

Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific records from untrusted Avro schemas. This issue affects Apache Avro Java SDK: all versions through 1.11.4 and version 1.12.0. Users are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.

Severity ?

No CVSS data available.

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

apache

References

1 reference

URL	Tags
https://lists.apache.org/thread/fy88wmgf1lj9479vr…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache Avro Java SDK	Affected: 0 , ≤ 1.11.4 (semver) Affected: 1.12.0 (semver)

Credits

Brant Eckert

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-02-13T12:11:10.364Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/02/12/2"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 7.3,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
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            "other": {
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                "options": [
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                    "Exploitation": "none"
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                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-13T18:05:06.984761Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-13T18:05:35.038Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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      "credits": [
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          "type": "finder",
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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.

Action not permitted

PYSEC-2026-26

CVE-2025-33042 (GCVE-0-2025-33042)

Tags

Sightings

Nomenclature