HomeCVE Intelligence › CVE-2026-52833
CVSS 8.0 HIGH Vulnerability

CVE-2026-52833: Nuclio: Unsanitized runtimeAttributes.repositories injected into Groovy build.gradle lead…

Summary Nuclio's Java runtime generates a build.gradle file during function builds using Go's text/template package. The template renders runtimeAttributes.repositories[] values with the {{ . }} action, which performs n…

8.0CVSS Score
HIGHSeverity
NOCISA KEV
VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-52833
Vendorgo
Affected Productgithub.com/nuclio/nuclio
Vulnerability TypeVulnerability
CVSS Score8.0 (HIGH)
Actively Exploited❌ No known exploitation
Patch StatusSee Vendor Advisory →
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via github_advisories)

🔬 Technical Analysis

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Summary Nuclio's Java runtime generates a build.gradle file during function builds using Go's text/template package. The template renders runtimeAttributes.repositories[] values with the {{ . }} action, which performs no escaping. An attacker can embed a closing brace (}) to break out of the repositories {} block and append arbitrary Groovy statements that execute unconditionally during the Gradle configuration phase. The Dashboard API runs with NOP authentication by default, so no credentials are required. The build container runs as root. The injected command output confirmed by dynamic testing: ``

[RCE-PROOF] uid=0(root) gid=0(root) groups=0(root) nuclio-kanikojob.nuclioprocessorvul006rcev3latest.tkxsslz06ppcr root BUILD SUCCESSFUL in 512ms `` - CWE: CWE-94 (Imprope

📚 Advisory References

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