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VulnerabilityPublished

CVE-2026-65370: ServiceTalk HTTP/1.x incorrectly handles malformed Transfer-Encoding which could result

Affects Apple servicetalkSource CVE Database V5

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Not known to be exploited · CVSS 7.5 High : upgrade to 0.42.65 soon.

Data as of 9 Nov 2026, 23:24 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.42.65
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Upgrade servicetalk and com.apple.servicetalk/servicetalk to 0.42.65.

Affected software

ProductAffectedFixed in
AppleservicetalkAffected
  • <0.42.65
Fixed in
  • 0.42.65
Mavencom.apple.servicetalk/servicetalkpkg:maven/com.apple.servicetalk/servicetalkOther threatsAffected
  • <0.42.65
Fixed in
  • 0.42.65

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

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.

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.

References

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