# actix-http (crates.io) vulnerabilities

Source: https://junglewise.ai/threats/technologies/actix-http  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/actix-http.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in actix-http (crates.io): 3 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, actix-http request smuggling through malformed chunked trailers, was published on 6 November 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 3
- Last 30 days: 3
- Last 90 days: 3
- All time: 6 (0 critical, 0 exploited in the wild)

## About actix-http (crates.io)

Async HTTP library and server framework for Rust applications.

## Latest actix-http (crates.io) vulnerabilities

- [actix-http request smuggling through malformed chunked trailers](https://junglewise.ai/threats/rustsec-2026-0446-request-smuggling-through-malformed-chunked-request-5ce6bfaf) (info, published 6 Nov 2026)
- [actix-http memory exhaustion via large-window Brotli](https://junglewise.ai/threats/rustsec-2026-0455-large-window-brotli-bodies-bypass-decompression-8b64dc69) (info, published 6 Nov 2026)
- [actix-http unbounded decompression denial of service](https://junglewise.ai/threats/rustsec-2026-0448-unbounded-decompression-can-exhaust-memory-and-cpu-f56d9644) (info, published 6 Nov 2026)
- [CVE-2026-73051: actix-http has HTTP/1.1 CL.TE Request Smuggling](https://junglewise.ai/threats/cve-2026-73051-actix-http-has-http-1-1-cl-te-request-smuggling) (medium, CVSS 4, published 14 Aug 2026)
- [CVE-2021-38512: RUSTSEC-2021-0081 - Potential request smuggling capabilities due to lack of input validation](https://junglewise.ai/threats/cve-2021-38512-http-request-smuggling-in-actix-http) (low, CVSS 3.1, published 16 Jun 2021)
- [CVE-2020-35901: RUSTSEC-2020-0048 - Use-after-free in BodyStream due to lack of pinning](https://junglewise.ai/threats/cve-2020-35901-use-after-free-in-actix-http) (low, CVSS 3.1, published 24 Jan 2020)

## Most severe actix-http (crates.io) vulnerabilities

- [CVE-2026-73051: actix-http has HTTP/1.1 CL.TE Request Smuggling](https://junglewise.ai/threats/cve-2026-73051-actix-http-has-http-1-1-cl-te-request-smuggling) (medium, CVSS 4, published 14 Aug 2026)
- [CVE-2021-38512: RUSTSEC-2021-0081 - Potential request smuggling capabilities due to lack of input validation](https://junglewise.ai/threats/cve-2021-38512-http-request-smuggling-in-actix-http) (low, CVSS 3.1, published 16 Jun 2021)
- [CVE-2020-35901: RUSTSEC-2020-0048 - Use-after-free in BodyStream due to lack of pinning](https://junglewise.ai/threats/cve-2020-35901-use-after-free-in-actix-http) (low, CVSS 3.1, published 24 Jan 2020)
- [actix-http request smuggling through malformed chunked trailers](https://junglewise.ai/threats/rustsec-2026-0446-request-smuggling-through-malformed-chunked-request-5ce6bfaf) (info, published 6 Nov 2026)
- [actix-http memory exhaustion via large-window Brotli](https://junglewise.ai/threats/rustsec-2026-0455-large-window-brotli-bodies-bypass-decompression-8b64dc69) (info, published 6 Nov 2026)
- [actix-http unbounded decompression denial of service](https://junglewise.ai/threats/rustsec-2026-0448-unbounded-decompression-can-exhaust-memory-and-cpu-f56d9644) (info, published 6 Nov 2026)

## 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 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 3 | 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, "actix-http (crates.io) vulnerabilities", https://junglewise.ai/threats/technologies/actix-http, 13 November 2026.
