PYSEC-2026-3571 Flyto2 Core: Unauthenticated flyto-verification /run: callback_url SSRF and internal runner-secret exfiltration

Summary The standalone flyto-verification service exposes POST /run with no authentication, on all interfaces 0.0.0.0:8344 per the shipped Dockerfile. The request body's callbackurl is used verbatim for an outbound POST that unconditionally attaches X-Internal-Key: $FLYTORUNNERSECRET. The...

CVE-2026-67426

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/verificationservice.py exposes unauthenticated POST /run on 0.0.0.0:8344 and uses client-supplied callbackurl for an outbound POST with X-Internal-Key:...

Serialization Injection Vulnerability

langchaincore is vulnerable to a Serialization Injection Vulnerability. The vulnerability is due to the dumps and dumpd functions not escaping user-controlled dictionaries containing the internal lc key, which allows an attacker to craft malicious input that is interpreted as a trusted LangChain...

Deserialization of Untrusted Data

Overview langchain-core is a Building applications with LLMs through composability Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the dumps and dumpd functions when user-controlled data containing the lc key is serialized and later deserialized. This key...