Incorrect Authorization Affecting anchor-lang package, versions >=1.0.0-rc.1 <1.0.2
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- published19 May 2026
- disclosed7 May 2026
- creditMatthias1590
Introduced: 7 May 2026
NewCVE-2026-45137 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade anchor-lang to version 1.0.2 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization via the Program<System> validation process. An attacker can cause downstream logic to make false assumptions about payments, account creation, or other system-program cross-program invocations by supplying an arbitrary executable program where the system program is expected.