CVE-2026-101169CWE-502insecure-deserialization

CVE-2026-101169

published September 29, 2026

CVSS
8.7
EPSS
0%
Percentile
25.6
In the wild
Unconfirmed
What it is

In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for the object. Insecure deserialization of this content allows the user to execute arbitrary code in the Octopus Server process.

The record
Technical detail
CVSS
8.7 · NONE
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00334 · 25.6th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-09-29T12:17Z
References (1)
https://advisories.octopus.com/post/2026/sa2026-10 · [email protected]
EPSS history
Timeline
  • 30 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 29 SEP 07:49Z
    In affected versions of Octopus Server, an authenticated user with permissions to edit an Environment or Project can set specifically crafted JSON content for…
    cvelistv5