CVE-2026-32239
MEDIUM
2026-03-12
[email protected]
6.5
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 22:55 vuln.today
CVE Published
Mar 12, 2026 - 20:16 nvd
MEDIUM 6.5
Description
Cap'n Proto is a data interchange format and capability-based RPC system. Prior to 1.4.0, a negative Content-Length value was converted to unsigned, treating it as an impossibly large length instead. In theory, this bug could enable HTTP request/response smuggling. This vulnerability is fixed in 1.4.0.
Analysis
n Proto is a data interchange format and capability-based RPC system. versions up to 1.4.0 is affected by integer overflow or wraparound.
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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Priority Score
33
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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