CVE-2026-81657CWE-502insecure-deserialization

CVE-2026-81657

Critical · published September 19, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
57.7
In the wild
Unconfirmed
What it is

IBM Guardium Data Protection 12.2 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00849 · 57.7th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-09-19T00:17Z
Affected products (1)
ProductVersionsFixed in
ibm/guardium_data_protectionall versions—
References (1)
https://www.ibm.com/support/pages/node/7288040 · [email protected]
EPSS history
Timeline
  • 20 SEP 03:24Z
    EPSS moved — → 1%
    epss
  • 18 SEP 19:27Z
    IBM Guardium Data Protection is affected by multiple vulnerabilities.
    cvelistv5