CVE-2026-73051Disclosure

LOWCVSS 6.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

actix-http versions before 3.12.1 contain an HTTP request smuggling vulnerability in the HTTP/1.1 parser that accepts requests with both Content-Length and Transfer-Encoding: chunked headers. Unauthenticated remote attackers can exploit this through a front-end intermediary to desynchronize backend requests and smuggle malicious HTTP requests to the Actix service.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-444

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-73051

Full discourse1 post

Vulmon Vulnerability Feed@VulmonFeeds46d
Disclosure
CVE-2026-73051 HTTP Request Smuggling in Actix-HTTP Before 3.12.1 via Header Parsing https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-73051
Post summary
The post announces a new HTTP Request Smuggling vulnerability in Actix-HTTP prior to v3.12.1 that affects header parsing, with no evidence of exploitation or patches.
00010133
4.1K followersView on X

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