What is CVE-2023-49886?

CVE-2023-49886 is a critical-severity vulnerability in Ibm Transformation Extender Advanced, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-10-06.

How severe is CVE-2023-49886?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-49886 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Ibm Transformation Extender Advanced

CVE-2023-49886

IBM Standards Processing Engine 10.0.1.10 could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe java deserialization. By sending specially crafted input, an attacker could exploit this vulnerability to…

Vulnerability class: Insecure Deserialization

EPSS: 0.018 (83.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Transformation Extender Advanced — versions 10.0.1.10

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

www.ibm.com/support/pages/node/7247179 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2023-49886?: CVE-2023-49886 is a critical-severity vulnerability in Ibm Transformation Extender Advanced, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2025-10-06.
How severe is CVE-2023-49886?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-49886 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.