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CVE-2026-65370: ServiceTalk HTTP/1.x incorrectly handles malformed Transfer-Encoding which could result in request smuggling attacks. in Apple servicetalk

0
High
VulnerabilityCVE-2026-65370cvecve-2026-65370
Published: 08/12/2026 (08/12/2026, 20:27:43 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: servicetalk

Description

ServiceTalk HTTP/1.x incorrectly handles malformed Transfer-Encoding which could result in request smuggling attacks. This vulnerability is addressed in servicetalk version 0.42.65.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected software

Apple

servicetalk

Affected versions
>=0 <0.42.65
com.apple.servicetalk/servicetalk
pkg:maven/com.apple.servicetalk/servicetalk
Affected versions
<0.42.65

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/12/2026, 20:57:37 UTC

Technical Analysis

The ServiceTalk HTTP/1.x implementation improperly processes malformed Transfer-Encoding headers. This flaw can be exploited to perform HTTP request smuggling attacks, potentially allowing an attacker to interfere with the processing of HTTP requests between clients and servers. The vulnerability is addressed in ServiceTalk version 0.42.65.

Potential Impact

If exploited, this vulnerability could allow an attacker to conduct HTTP request smuggling attacks, which may lead to bypassing security controls, request/response desynchronization, or unauthorized access to sensitive information. However, no known exploits in the wild have been reported.

Mitigation Recommendations

Upgrade to ServiceTalk version 0.42.65 or later, where this vulnerability has been fixed. Patch status is confirmed by the vendor advisory stating the issue is addressed in version 0.42.65.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-07-22T00:46:16.023Z
State
PUBLISHED

Threat ID: 6a7cda88bf8831d53922d9dd

Added to database: 08/12/2026, 20:41:44 UTC

Last enriched: 08/12/2026, 20:57:37 UTC

Last updated: 09/25/2026, 13:47:47 UTC

Views: 58

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