CVE-2026-45137

Anchor is a framework providing several convenient developer tools for writing Solana programs. From 1.0.0 to before 1.0.2, an logic error causes anchor programs to accept any program id when requiring the system program id, causing false assumptions resulting in potential arbitrary cpi in progra...

CVE-2026-45137

Anchor is a framework providing several convenient developer tools for writing Solana programs. From 1.0.0 to before 1.0.2, an logic error causes anchor programs to accept any program id when requiring the system program id, causing false assumptions resulting in potential arbitrary cpi in progra...

CVE-2026-45137 Anchor: Program<'info, System> is not properly validated

Anchor is a framework providing several convenient developer tools for writing Solana programs. From 1.0.0 to before 1.0.2, an logic error causes anchor programs to accept any program id when requiring the system program id, causing false assumptions resulting in potential arbitrary cpi in progra...

CVE-2026-45137 Anchor: Program<'info, System> is not properly validated

Anchor is a framework providing several convenient developer tools for writing Solana programs. From 1.0.0 to before 1.0.2, an logic error causes anchor programs to accept any program id when requiring the system program id, causing false assumptions resulting in potential arbitrary cpi in progra...

EUVD-2026-32665

Anchor is a framework providing several convenient developer tools for writing Solana programs. From 1.0.0 to before 1.0.2, an logic error causes anchor programs to accept any program id when requiring the system program id, causing false assumptions resulting in potential arbitrary cpi in progra...

CVE-2026-45137

Summary: CVE-2026-45137 affects Anchor (Solana programs) where Program validation fails due to using Pubkey::default() as a sentinel, causing System and () to be treated equivalently and allowing any executable program in place of the system program. Impact: potential arbitrary CPI or payment byp...

RUSTSEC-2026-0144 `Program<System>` accepts arbitrary executable programs

Affected versions of anchor-lang did not properly validate accounts declared as Program. The generic Program validation path used Pubkey::default as a sentinel to decide whether any executable program should be accepted. Since the system program id is also the default pubkey, Program was treated...