CVE-2026-73276
inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i
Description
Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2.
No summary for this CVE yet.
Weaknesses
Affected Products
Erlang
oss-projectaka otp, erlang/ssh, erlang/otp
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 technique Collection
References
https://cna.erlef.org/cves/CVE-2026-73276.html
cna.erlef.org
https://github.com/erlang/otp/commit/60add5a19e2154560fdff3fe92dba14a68bbd683
github.com
https://github.com/erlang/otp/commit/6cd995e34d3bb3d36dd278dded2d62c25e71820c
github.com
and 3 more references View all →
News mentions
1Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2026-73276 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows