VYPR

lean4

by Leanprover

Source repositories

CVEs (2)

  • CVE-2026-72711MedAug 24, 2026
    risk 0.34cvss 6.3epss 0.00

    The Lean 4 kernel does not check that the body of an opaque declaration is closed. environment::add_opaque omits the check_no_metavar_no_fvar call that the definition and theorem paths perform, so a value containing a free variable that is absent from the local context is not…

  • CVE-2026-72844MedAug 20, 2026
    risk 0.34cvss 6.3epss 0.00

    The Lean 4 kernel does not verify that the structure named in a projection expression matches the type of the value being projected, and environment::add_inductive in src/kernel/inductive.cpp did not type check the nested inductive applications that are replaced by auxiliary…