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No exploitation reportedFix available

CVE-2026-44795

No exploitation reported by the sources we read.

  • Published2026-07-10
  • Fixed in2026.0.3 · 2025.4.4 · 2025.3.3
  • WeaknessCWE-470 · CWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3, unsafe YAML processing bypasses safe deserialization when using CloudFormation deployments or CloudFoundry baking. The use of a non-safe constructor allows arbitrary loading of Java classes, leading to remote code execution. This issue is fixed in versions 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3.

Timeline

dates in UTC
  1. 2026-07-1022:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-44795?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-44795?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Linuxfoundation spinnaker
BranchAffectedFixed in
2026.0≥ 2026.0.0, < 2026.0.32026.0.3
2025.4≥ 2025.4.0, < 2025.4.42025.4.4
2025.3< 2025.3.32025.3.3

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Linuxfoundation spinnaker to 2026.0.3 · 2025.4.4 · 2025.3.3

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionnone2026-07-14
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.18.8read 2026-10-23
  • CNAweakness (CWE)CWE-470, CWE-502read 2026-10-23
  • FIRST EPSSEPSS score1.0 %2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-07-10
Last Modified
2026-07-21
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-44795?

Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3, unsafe YAML processing bypasses safe deserialization when using CloudFormation deployments or CloudFoundry baking. The use of a non-safe constructor allows arbitrary loading of Java classes, leading to remote code execution. This issue is fixed in versions 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3.

Is CVE-2026-44795 actively exploited?

Active exploitation of CVE-2026-44795 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-44795?

CVE-2026-44795 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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