RUSTSEC-2026-0249 smartstring is unmaintained

Not scored Published

The smartstring crate is unmaintained and archived, requiring developers to migrate to alternatives like compact_str or smol_str.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
None listed

What is RUSTSEC-2026-0249?

RUSTSEC-2026-0249 is a vulnerability in smartstring, published on 3 May 2026.

Official description

The smartstring crate is unmaintained; all versions are affected. The GitHub repository was archived by the owner on 2026-05-03.

Recommended alternatives:

Which versions are affected by RUSTSEC-2026-0249?

1 open source package ship an affected version, including smartstring.

PackageAffectedFixed in
smartstring crates.ioFrom 0.0.0-0None

How do I fix RUSTSEC-2026-0249?

No fix has been published for RUSTSEC-2026-0249 yet. Limit exposure of the affected software until one is available.

Is RUSTSEC-2026-0249 being exploited?

There is no known exploitation of RUSTSEC-2026-0249 in the wild and no public exploit code.

Sources

Is RUSTSEC-2026-0249 in your software?

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