CVE-2025-33042: apache software foundation apache avro java sdk Code Injection
Vulnerability summary
CVE-2025-33042 is a high (CVSS 7.3) Code Injection vulnerability in apache software foundation apache avro java sdk. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 13-02-2026PublishedVulnerability first disclosed.
- 13-02-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
6 scores · 6 sources · 2 versions- OSV · PypiEcosystem advisory · calculated7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- OSV · WolfiEcosystem advisory · calculated7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- OSV · ChainguardEcosystem advisory · calculated7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVDNIST7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
+0.06 pp
From 0.61% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard43 products
- akhq< 0.26.0-r8
- apache-hop< 2.17.0-r0
- apache-hop-fips< 2.17.0-r0
- apache-pulsar< 4.1.3-r0
- celeborn-0.5< 0.5.4-r17
Wolfi10 products
- akhq< 0.26.0-r8
- apache-pulsar< 4.1.3-r0
- celeborn-0.6< 0.6.2-r7
- druid< 36.0.0-r1
- logstash-9.3< 9.3.0-r0
Apache1 product
- avro< 1.11.5 | 1.12.0 | 1.12.0:rc0 | 1.12.0:rc1
Apache software foundation1 product
- apache avro java sdk≤ 1.11.4 | 1.12.0
Org.apache.avro1 product
- avro-compiler≥ 1.12.0, < 1.12.1 | < 1.11.5
PyPI1 product
- avro< 1.11.5
6 vendors · 57 products
References
11 links- lists.apache.org/thread/fy88wmgf1lj9479vrpt12cv8x73lroj1Vendor AdvisoryREPORTAdvisoryWEBIssue TrackingMailing List
- github.com/apache/avroPACKAGE