Exploit for CVE-2026-20131

CVE-2026-20131 — Cisco FMC Insecure Java Deserialization RCE...

NewStart CGSL MAIN 6.06 (SP) : systemd Multiple Vulnerabilities (NS-SA-2026-0021)

The remote NewStart CGSL host, running version MAIN 6.06 SP, has systemd packages installed that are affected by multiple vulnerabilities: - A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus...

📄 c3p0 Insecure Deserialization

A critical vulnerability in c3p0 prior to version 0.12.0 allows attackers to achieve remote code execution through insecure handling of the userOverridesAsString property in several ConnectionPoolDataSource implementations...

SUSE SLES16 Security Update : python-azure-core (SUSE-SU-2026:20617-1)

The remote SUSE Linux SLES16 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:20617-1 advisory. - CVE-2026-21226: Fixed deserialization of untrusted data which may allow an authorized attacker to execute code over a network. bsc1257703 Tenable ha...

The vulnerability in the web interface of the Cisco Secure Firewall Management Center (formerly known as Cisco Firepower Management Center) allows a perpetrator to execute arbitrary code with root privileges.

The vulnerability of the Web interface for managing Cisco Secure Firewall Management Center software formerly known as Cisco Firepower Management Center is related to deficiencies in the deserialization mechanism. Exploiting this vulnerability allows a malicious actor to execute arbitrary code wi...

SUSE SLES16 Security Update : python-azure-core (SUSE-SU-2026:20621-1)

The remote SUSE Linux SLESSAP16 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:20621-1 advisory. - CVE-2026-21226: Fixed deserialization of untrusted data which may allow an authorized attacker to execute code over a network. bsc1257703 Tenable...

Deserialization of Untrusted Data

Overview langgraph-checkpoint is a library with base interfaces for LangGraph checkpoint savers. Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the msgpack-encoded checkpoints. An attacker can execute arbitrary code by supplying a crafted msgpack-encoded...

Deserialization of Untrusted Data

Overview langgraph is a Building stateful, multi-actor applications with LLMs Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the msgpack-encoded checkpoints. An attacker can execute arbitrary code by supplying a crafted msgpack-encoded payload to the...

GHSA-G48C-2WQR-H844 LangGraph checkpoint loading has unsafe msgpack deserialization

LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can modify checkpoint data in the backing store for example, after a database compromise or other privileged write access to the persistence layer, they can...

LangGraph checkpoint loading has unsafe msgpack deserialization

LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can modify checkpoint data in the backing store for example, after a database compromise or other privileged write access to the persistence layer, they can...

CVE-2026-28277

LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB both sync and async, via aiosqlite. In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can...

PYSEC-2026-83

LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB both sync and async, via aiosqlite. In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can...

CVE-2026-20131

A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center FMC Software could allow an unauthenticated, remote attacker to execute arbitrary Java code as root on an affected device. This vulnerability is due to insecure deserialization of a user-supplied Java...

CVE-2026-28277

LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB both sync and async, via aiosqlite. In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can...

CVE-2026-28277 LangGraph: Unsafe msgpack deserialization in LangGraph checkpoint loading

LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB both sync and async, via aiosqlite. In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can...

CVE-2026-28277 LangGraph: Unsafe msgpack deserialization in LangGraph checkpoint loading

LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB both sync and async, via aiosqlite. In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can...

CVE-2026-28277 LangGraph: Unsafe msgpack deserialization in LangGraph checkpoint loading

LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB both sync and async, via aiosqlite. In version 1.0.9 and prior, LangGraph checkpointers can load msgpack-encoded checkpoints that reconstruct Python objects during deserialization. If an attacker can...

CVE-2026-28277

CVE-2026-28277 affects LangGraph checkpoint loading using an SQLite-backed checkpoint store. In versions ≤1.0.9, msgpack-encoded checkpoints may deserialize into Python objects, enabling an attacker with write access to the checkpoint store to craft payloads that trigger unsafe reconstruction whe...

Patch, track, repeat: The 2025 CVE retrospective

Welcome to this week's edition of the Threat Source newsletter. It's time to look back at a year that pushed the vulnerability landscape to new heights. I'll admit this retrospective is arriving a bit later than planned. With 48,196 CVEs in 2025 a stunning 132 vulnerabilities per day, the analysi...

Security Bulletin: InfoSphere Data Architect 9.2.1

Summary Multiple Vulnerabilites has been fixed. IBM strongly recommends addressing the vulnerability now by upgrading to release 9.2.1 Vulnerability Details CVEID:CVE-2022-40609 DESCRIPTION: IBM SDK, Java Technology Edition 7.1.5.18 and 8.0.8.0 could allow a remote attacker to execute arbitrary...