RUSTSEC-2026-0164
`pqcrypto` is unmaintained: upstream PQClean project being archived
The pqcrypto crate and the entire pqcrypto-* ecosystem wrap C implementations
from PQClean. The PQClean project is being
archived in or after July 2026 (see PQClean/PQClean#604),
after which no further security patches, algorithm updates, or bug fixes will
be applied to the upstream implementations.
As a result, this crate and all dependent crates in the pqcrypto-* ecosystem
will no longer receive updates. Users should migrate to actively maintained
alternatives. Pure-Rust replacements are available for several algorithms:
What each source reports
OSV No score
`pqcrypto` is unmaintained: upstream PQClean project being archived
The pqcrypto crate and the entire pqcrypto-* ecosystem wrap C implementations
from PQClean. The PQClean project is being
archived in or after July 2026 (see PQClean/PQClean#604),
after which no further security patches, algorithm updates, or bug fixes will
be applied to the upstream implementations.
As a result, this crate and all dependent crates in the pqcrypto-* ecosystem
will no longer receive updates. Users should migrate to actively maintained
alternatives. Pure-Rust replacements are available for several algorithms:
- Record
RUSTSEC-2026-0164- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pqcryptocrates.io |
0.0.0-0 and later | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
RUSTSEC-2026-0164 is a vulnerability with no CVSS score yet in pqcrypto, published June 4, 2026. No source lists public exploit code. No source names a fixed version.