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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-44795

38
FAUCET Score

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.

First published: Jul 10, 2026Last modified: Jul 10, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 2025.3.3CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:*
>= 2025.4.0, < 2025.4.4CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:*
>= 2026.0.0, < 2026.0.3CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:spinnaker:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.54%
Probability of exploitation in next 30 days
EPSS Percentile
42.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0054 is in the 32nd percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: io.spinnaker.rosco:rosco-coreFixed in: 2025.3.3
mavenpatch availablevia ghsa
Product: io.spinnaker.orca:orca-coreFixed in: 2025.3.3
mavenpatch availablevia ghsa
Product: io.spinnaker.rosco:rosco-coreFixed in: 2025.4.4
mavenpatch availablevia ghsa
Product: io.spinnaker.rosco:rosco-coreFixed in: 2026.0.3
mavenpatch availablevia ghsa
Product: io.spinnaker.orca:orca-coreFixed in: 2025.4.4
mavenpatch availablevia ghsa
Product: io.spinnaker.orca:orca-coreFixed in: 2026.0.3

Vendor Advisories (1)

mavenGHSA-c8q4-9h32-2ww8high

Spinnaker has uon-safe yaml deserialization, allowing RCE when using specific types

Jun 22, 2026

References

github.com / spinnaker/spinnaker/commit/4cbe1d5fea9df573aadfd8b093fb4b594b354ee5
Patch
github.com / spinnaker/spinnaker/commit/e57c0db4584b398473a7bbb19402ce6c1e89b627
Patch
github.com / spinnaker/spinnaker/commit/f69d7b534d068ed74d0d3a1fbf17e2c945d36e5e
Patch
github.com / spinnaker/spinnaker/security/advisories/GHSA-c8q4-9h32-2ww8
Third Party Advisory