Critical severity9.3NVD Advisory· Published Jul 29, 2026· Updated Jul 30, 2026
CVE-2026-67426
CVE-2026-67426
Description
Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, the standalone flyto-verification service in src/core/verification_service.py exposes unauthenticated POST /run on 0.0.0.0:8344 and uses client-supplied callback_url for an outbound POST with X-Internal-Key: $FLYTO_RUNNER_SECRET while bypassing target_allowed, allowing unauthenticated SSRF and runner secret exfiltration. This issue is fixed in version 2.26.7.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
flyto-corePyPI | >= 2.26.6, < 2.26.7 | 2.26.7 |
Affected products
1- Range: <2.26.7
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-jx74-cqjv-2c67ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-67426ghsaADVISORY
- github.com/flytohub/flyto-core/commit/0a0a528520ec18f5a21f1ddf858a71cc1edfb6e9nvdWEB
- github.com/flytohub/flyto-core/releases/tag/v2.26.7nvdWEB
- github.com/flytohub/flyto-core/security/advisories/GHSA-jx74-cqjv-2c67nvdWEB
- github.com/pypa/advisory-database/tree/main/vulns/flyto-core/PYSEC-2026-3571.yamlghsaWEB
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