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Maven
Not in CISA KEV
CRITICAL severity

GHSA-8r8j-gfhg-fw38

CRITICALFix: spinnaker/spinnaker@7c47379

GHSA-8r8j-gfhg-fw38 is a critical-severity (CVSS 9.1) Server-Side Request Forgery (SSRF) vulnerability in io.spinnaker.clouddriver:clouddriver-artifacts. O3 Security confirms whether GHSA-8r8j-gfhg-fw38 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Spinnaker clouddriver and orca URL validation bypass via underscores in hostnames

Also known asCVE-2026-25534
Published
Mar 16, 2026
Updated
Apr 2, 2026
Affected
6 pkgs
Patched
6 / 6
Exploits
None indexed
Exploitation data as of Apr 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Real-World Exposure

6 pkgs affected
io.spinnaker.clouddriver:clouddriver-artifactsio.spinnaker.clouddriver:clouddriver-artifactsio.spinnaker.clouddriver:clouddriver-artifactsio.spinnaker.orca:orca-coreio.spinnaker.orca:orca-coreio.spinnaker.orca:orca-core

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Impact

Spinnaker updated URL Validation logic on user input to provide sanitation on user inputted URLs for clouddriver. However, they missed that Java URL objects do not correctly handle underscores on parsing. This led to a bypass of the previous CVE (CVE-2025-61916) through the use of carefully crafted URLs. Note, Spinnaker found this not just in that CVE, but in the existing URL validations in Orca fromUrl expression handling. This CVE impacts BOTH artifacts as a result.

Patches

This has been merged and will be available in versions 2025.4.1, 2025.3.1, 2025.2.4 and 2026.0.0.

Workarounds

You can disable the various artifacts on this system to work around these limits.

Affected Packages

6 total 6 fixed
EcosystemPackageVulnerable rangeFix
Mavenio.spinnaker.clouddriver:clouddriver-artifactsall versions2025.2.4
Mavenio.spinnaker.clouddriver:clouddriver-artifacts2025.3.0&&< 2025.3.12025.3.1
Mavenio.spinnaker.clouddriver:clouddriver-artifacts2025.4.0&&< 2025.4.12025.4.1
Mavenio.spinnaker.orca:orca-coreall versions2025.2.4
Mavenio.spinnaker.orca:orca-core2025.3.0&&< 2025.3.12025.3.1
Mavenio.spinnaker.orca:orca-core2025.4.0&&< 2025.4.12025.4.1

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for io.spinnaker.clouddriver:clouddriver-artifacts. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update io.spinnaker.clouddriver:clouddriver-artifacts to 2025.2.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-8r8j-gfhg-fw38 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-8r8j-gfhg-fw38 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-8r8j-gfhg-fw38. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Impact Spinnaker updated URL Validation logic on user input to provide sanitation on user inputted URLs for clouddriver. However, they missed that Java URL objects do not correctly handle underscores on parsing. This led to a bypass of the previous CVE (CVE-2025-61916) through the use of carefully crafted URLs. Note, Spinnaker found this not just in that CVE, but in the existing URL validations in Orca fromUrl expression handling. This CVE impacts BOTH artifacts as a result. ### Patches This has been merged and will be available in versions 2025.4.1, 2025.3.1, 2025.2.4 and 2026.0.0
O3 Security · Impact-Aware SCA

Is GHSA-8r8j-gfhg-fw38 in your dependencies?

O3 detects GHSA-8r8j-gfhg-fw38 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

GHSA-8r8j-gfhg-fw38: clouddriver-artifacts… | O3 Security