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TI-2019-13099 Aliases CVE-2019-17556GHSA-gj76-429m-56wc

Deserialization of untrusted data in Apache Olingo

Priority MEDIUM 48CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.

Summary

Apache Olingo versions 4.0.0 to 4.6.0 provide the AbstractService class, which is public API, uses ObjectInputStream and doesn't check classes being deserialized. If an attacker can feed malicious metadata to the class, then it may result in running attacker's code in the worse case.

Why it matters now

EPSS 0.03621 89th percentileScored 2026-11-07
Fix Fixed org.apache.olingo:odata-client-proxy (Maven): 4.7.0

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheOlingo4.0.0 to 4.6.0—No fix listedCNA
—org.apache.olingo:odata-client-proxy (Maven)4.0.0 to before 4.7.04.7.0Patch availableGHSA-gj76-429m-56wc
  • Olingo VendorApache Affected 4.0.0 to 4.6.0 Fixed in — No fix listed CNA
  • org.apache.olingo:odata-client-proxy (Maven) Vendor— Affected 4.0.0 to before 4.7.0 Fixed in 4.7.0 Patch available GHSA-gj76-429m-56wc

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:olingo:*:*:*:*:*:*:*:*4.0.0 – 4.6.0VulnerableApache
  • cpe:2.3:a:apache:olingo:*:*:*:*:*:*:*:* Versions 4.0.0 – 4.6.0 Vulnerable ·Apache

Remediation

  • Fix · GHSA-gj76-429m-56wc org.apache.olingo:odata-client-proxy (Maven) Fixed in 4.7.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-17556
  2. 2026-10-03 Alias added: GHSA-gj76-429m-56wc

References

Advisory 2

Other 2

  • TI-2019-13097 XML external entity injection in Apache Olingo CVSS 3.1MEDIUM 5.5
  • TI-2020-01849 Server-side request forgery in Apache Olingo CVSS 3.1HIGH 7.5
  • TI-2019-13098 Improper input validation in Apache Olingo CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences