Code injection in SQL code generation in Apache Flink 1.15.0 through 1.20.x and 2.0.0 through 2.x allows authenticated users with query submission privileges to execute arbitrary code on TaskManagers via maliciously crafted SQL queries. The vulnerability affects JSON functions (1.15.0+) and LIKE expressions with ESCAPE clauses (1.17.0+). User-controlled strings are interpolated into generated Java code without proper escaping, allowing attackers to break out of string literals and inject arbitrary expressions. Users are recommended to upgrade to either version 1.20.4, 2.0.2, 2.1.2 or 2.2.1, which fixes this issue.
Casky was already ahead
This CVE exploits attack patterns that Casky's 301matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.
Apache Flink versions 1.15.0 through 2.x contain a critical code injection vulnerability in SQL code generation that allows authenticated users with query submission privileges to execute arbitrary code on TaskManagers. The vulnerability stems from improper escaping of user-controlled strings in JSON functions and LIKE expressions with ESCAPE clauses, which are interpolated directly into generated Java code. This affects organizations relying on Flink for stream processing and batch analytics, particularly those with multi-tenant environments or untrusted user bases. While requiring authentication, the vulnerability's CVSS score of 8.1 and code execution capability make it a serious threat to data pipeline integrity and cluster security.
Casky's 301 matched skills, powered by Claude's extended reasoning capabilities, detect the attack patterns associated with TA0001 (Initial Access) and TA0043 (Reconnaissance) by analyzing SQL query submission patterns and code generation behaviors. Practitioners using Casky would observe detections for CWE-94 (Improper Control of Generation of Code) through multiple lenses: identification of suspicious string concatenation in query compilation logs, detection of SQL queries containing escape clause manipulation or JSON function payloads designed to break string literal boundaries, and monitoring of TaskManager process execution following query submission. The platform's Claude-powered analysis correlates authentication events with subsequent code generation anomalies, flagging cases where authenticated users submit queries that deviate from normal SQL patterns—such as ESCAPE clauses with special characters or nested JSON constructs—signaling potential injection attempts before arbitrary code execution occurs on distributed task nodes.
Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →
These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-35194.
Casky has 301 skills that investigate the attack patterns behind CVE-2026-35194. Run one and get CVSS-scored findings in 3 minutes.
Run the skill that detects this →analyzing-cloud-storage-access-patterns
cloud security · low
analyzing-cyber-kill-chain
threat intelligence · low
analyzing-indicators-of-compromise
threat intelligence · low
analyzing-ios-app-security-with-objection
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analyzing-malicious-url-with-urlscan
phishing defense · medium
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threat intelligence · low
analyzing-office365-audit-logs-for-compromise
cloud security · low
analyzing-ransomware-leak-site-intelligence
threat intelligence · low
analyzing-threat-actor-ttps-with-mitre-attack
threat intelligence · low
analyzing-threat-actor-ttps-with-mitre-navigator
threat intelligence · low
analyzing-threat-intelligence-feeds
threat intelligence · low
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auditing-aws-s3-bucket-permissions
cloud security · low
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automating-ioc-enrichment
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detecting-compromised-cloud-credentials
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detecting-misconfigured-azure-storage
cloud security · low
detecting-mobile-malware-behavior
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devsecops · low
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devsecops · low
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devsecops · low
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devsecops · low
implementing-iso-27001-information-security-management
compliance governance · low
implementing-mimecast-targeted-attack-protection
phishing defense · medium
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mobile security · low
implementing-patch-management-workflow
vulnerability management · medium
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compliance governance · low
implementing-policy-as-code-with-open-policy-agent
devsecops · low
implementing-proofpoint-email-security-gateway
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devsecops · low
implementing-secrets-management-with-vault
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implementing-secrets-scanning-in-ci-cd
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implementing-taxii-server-with-opentaxii
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implementing-vulnerability-management-with-greenbone
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implementing-zero-trust-in-cloud
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implementing-zero-trust-network-access
cloud security · low
integrating-dast-with-owasp-zap-in-pipeline
devsecops · low
integrating-sast-into-github-actions-pipeline
devsecops · low
intercepting-mobile-traffic-with-burpsuite
mobile security · low
managing-cloud-identity-with-okta
cloud security · low
managing-intelligence-lifecycle
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mapping-mitre-attack-techniques
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monitoring-darkweb-sources
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phishing defense · medium
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devsecops · low
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web application security · medium
performing-security-headers-audit
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cloud security · low
performing-soap-web-service-security-testing
api security · medium
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devsecops · low
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cloud security · low
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cloud security · low
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api security · medium
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api security · medium
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api security · medium
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web application security · medium
testing-cors-misconfiguration
web application security · medium
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web application security · medium
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web application security · medium
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testing-jwt-token-security
web application security · medium
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api security · medium
testing-websocket-api-security
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tracking-threat-actor-infrastructure
threat intelligence · low
triaging-vulnerabilities-with-ssvc-framework
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