RUSTSEC-2026-0163 `pqcrypto-internals` is unmaintained: upstream PQClean project being archived
The pqcrypto-internals crate is unmaintained due to upstream archival, leaving users without future security patches for post-quantum cryptography implementations.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is RUSTSEC-2026-0163?
RUSTSEC-2026-0163 is a vulnerability in pqcrypto-internals, published on 4 Jun 2026.
Official description
This crate provides internal FFI utilities for the pqcrypto-* ecosystem,
directly wrapping 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 or bug fixes will be applied to the
upstream implementations.
As a result, this crate and the broader pqcrypto-* ecosystem will no longer
receive updates.
Which versions are affected by RUSTSEC-2026-0163?
1 open source package ship an affected version, including pqcrypto-internals.
| Package | Affected | Fixed in |
|---|---|---|
pqcrypto-internals crates.io | From 0.0.0-0 | None |
How do I fix RUSTSEC-2026-0163?
No fix has been published for RUSTSEC-2026-0163 yet. Limit exposure of the affected software until one is available.
Is RUSTSEC-2026-0163 being exploited?
There is no known exploitation of RUSTSEC-2026-0163 in the wild and no public exploit code.