# tokio (crates.io) vulnerabilities Source: https://junglewise.ai/threats/technologies/tokio Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/tokio.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 10 vulnerabilities in tokio (crates.io): 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-115567, was published on 23 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 2 - Last 90 days: 3 - All time: 10 (0 critical, 0 exploited in the wild) ## About tokio (crates.io) Rust runtime for asynchronous I/O and concurrent task execution. ## Latest tokio (crates.io) vulnerabilities - [CVE-2026-115567: Tokio race condition in time driver use-after-free](https://junglewise.ai/threats/cve-2026-115567-tokio-is-a-runtime-for-writing-applications-with-rust-in-1-54-0) (medium, CVSS 4, published 23 Oct 2026) - [Tokio race condition in Interval time driver](https://junglewise.ai/threats/rustsec-2026-0384-race-condition-in-tokio-time-interval-on-tokio-v1-54-c6906742) (info, published 21 Oct 2026) - [tokio AsyncFd constructors violate I/O safety](https://junglewise.ai/threats/rustsec-2026-0386-asyncfd-new-and-related-constructors-violate-i-o-5c953f63) (info, published 13 Oct 2026) - [Tokio broadcast channel calls clone in parallel, but does not require `Sync`](https://junglewise.ai/threats/tokio-broadcast-channel-calls-clone-in-parallel-but-does-not-require-7d58a702) (medium, CVSS 4, published 7 Apr 2025) - [RUSTSEC-2025-0023 - Broadcast channel calls clone in parallel, but does not require `Sync`](https://junglewise.ai/threats/rustsec-2025-0023-broadcast-channel-calls-clone-in-parallel-but-does-22da8233) (info, published 7 Apr 2025) - [`tokio::io::ReadHalf::unsplit` is Unsound](https://junglewise.ai/threats/tokio-io-readhalf-t-unsplit-is-unsound-68916389) (info, published 4 Feb 2023) - [RUSTSEC-2023-0005 - `tokio::io::ReadHalf::unsplit` is Unsound](https://junglewise.ai/threats/rustsec-2023-0005-tokio-io-readhalf-t-unsplit-is-unsound-104188c2) (info, published 11 Jan 2023) - [CVE-2023-22466: RUSTSEC-2023-0001 - reject_remote_clients Configuration corruption](https://junglewise.ai/threats/cve-2023-22466-tokio-reject-remote-clients-configuration-may-get-dropped-when) (low, CVSS 3.1, published 4 Jan 2023) - [CVE-2021-45710: RUSTSEC-2021-0124 - Data race when sending and receiving after closing a `oneshot` channel](https://junglewise.ai/threats/cve-2021-45710-race-condition-in-tokio) (low, CVSS 3.1, published 16 Nov 2021) - [CVE-2021-38191: RUSTSEC-2021-0072 - Task dropped in wrong thread when aborting `LocalSet` task](https://junglewise.ai/threats/cve-2021-38191-race-condition-in-tokio) (low, CVSS 3.1, published 7 Jul 2021) ## Most severe tokio (crates.io) vulnerabilities - [CVE-2026-115567: Tokio race condition in time driver use-after-free](https://junglewise.ai/threats/cve-2026-115567-tokio-is-a-runtime-for-writing-applications-with-rust-in-1-54-0) (medium, CVSS 4, published 23 Oct 2026) - [Tokio broadcast channel calls clone in parallel, but does not require `Sync`](https://junglewise.ai/threats/tokio-broadcast-channel-calls-clone-in-parallel-but-does-not-require-7d58a702) (medium, CVSS 4, published 7 Apr 2025) - [CVE-2021-45710: RUSTSEC-2021-0124 - Data race when sending and receiving after closing a `oneshot` channel](https://junglewise.ai/threats/cve-2021-45710-race-condition-in-tokio) (low, CVSS 3.1, published 16 Nov 2021) - [CVE-2021-38191: RUSTSEC-2021-0072 - Task dropped in wrong thread when aborting `LocalSet` task](https://junglewise.ai/threats/cve-2021-38191-race-condition-in-tokio) (low, CVSS 3.1, published 7 Jul 2021) - [CVE-2023-22466: RUSTSEC-2023-0001 - reject_remote_clients Configuration corruption](https://junglewise.ai/threats/cve-2023-22466-tokio-reject-remote-clients-configuration-may-get-dropped-when) (low, CVSS 3.1, published 4 Jan 2023) - [Tokio race condition in Interval time driver](https://junglewise.ai/threats/rustsec-2026-0384-race-condition-in-tokio-time-interval-on-tokio-v1-54-c6906742) (info, published 21 Oct 2026) - [tokio AsyncFd constructors violate I/O safety](https://junglewise.ai/threats/rustsec-2026-0386-asyncfd-new-and-related-constructors-violate-i-o-5c953f63) (info, published 13 Oct 2026) - [RUSTSEC-2025-0023 - Broadcast channel calls clone in parallel, but does not require `Sync`](https://junglewise.ai/threats/rustsec-2025-0023-broadcast-channel-calls-clone-in-parallel-but-does-22da8233) (info, published 7 Apr 2025) - [`tokio::io::ReadHalf::unsplit` is Unsound](https://junglewise.ai/threats/tokio-io-readhalf-t-unsplit-is-unsound-68916389) (info, published 4 Feb 2023) - [RUSTSEC-2023-0005 - `tokio::io::ReadHalf::unsplit` is Unsound](https://junglewise.ai/threats/rustsec-2023-0005-tokio-io-readhalf-t-unsplit-is-unsound-104188c2) (info, published 11 Jan 2023) ## Vulnerabilities per week 3 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 1 | 0 | 0 | | 19 Oct 2026 | 2 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other crates.io technologies - [surrealdb (crates.io)](https://junglewise.ai/threats/technologies/surrealdb): 83 vulnerabilities - [wasmtime (crates.io)](https://junglewise.ai/threats/technologies/wasmtime): 67 vulnerabilities - [deno (crates.io)](https://junglewise.ai/threats/technologies/deno): 39 vulnerabilities - [zebrad (crates.io)](https://junglewise.ai/threats/technologies/zebrad): 27 vulnerabilities - [russh (crates.io)](https://junglewise.ai/threats/technologies/crates-io-russh): 26 vulnerabilities - [openssl-src (crates.io)](https://junglewise.ai/threats/technologies/openssl-src): 26 vulnerabilities - [openssl (crates.io)](https://junglewise.ai/threats/technologies/crates-io-openssl): 25 vulnerabilities - [rustfs (crates.io)](https://junglewise.ai/threats/technologies/rustfs): 25 vulnerabilities - [coreutils (crates.io)](https://junglewise.ai/threats/technologies/crates-io-coreutils): 21 vulnerabilities - [ckb (crates.io)](https://junglewise.ai/threats/technologies/ckb): 19 vulnerabilities - [apollo-router (crates.io)](https://junglewise.ai/threats/technologies/apollo-router): 13 vulnerabilities - [deepseek-tui (crates.io)](https://junglewise.ai/threats/technologies/deepseek-tui): 13 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "tokio (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/tokio, 13 November 2026.