Name: CVE-2026-42505: Insertion of Sensitive Information Into Sent Data
Creator: Rapid7
Published: 2026-07-08T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-42505, CWE-201, CVSS 5.3, EPSS 0.00382

Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade golang-binUpgrade golang-raceUpgrade golang-docsUpgrade golang-testsUpgrade git-lfsUpgrade golang-srcUpgrade golangUpgrade golang-miscUpgrade go-toolset	Oct 11, 2026	Jul 9, 2026
Alpine Linux	—	Upgrade go	Sep 7, 2026	Jul 8, 2026
Amazon Linux Ami 2	—	Upgrade golang-testsUpgrade oci-add-hooks-debuginfoUpgrade amazon-ecr-credential-helper-debuginfoUpgrade amazon-cloudwatch-agentUpgrade nerdctlUpgrade containerd-stressUpgrade containerdUpgrade golang-sharedUpgrade amazon-ssm-agentUpgrade runfinch-finchUpgrade containerd-debuginfoUpgrade golang-binUpgrade golang-docsUpgrade runcUpgrade oci-add-hooksUpgrade soci-snapshotterUpgrade golang-srcUpgrade golangUpgrade docker-debuginfoUpgrade golistUpgrade dockerUpgrade golist-debuginfoUpgrade nerdctl-debuginfoUpgrade runc-debuginfoUpgrade golang-miscUpgrade amazon-ecr-credential-helper	Jul 22, 2026	Jul 22, 2026
Amazon_linux_2023	—	Upgrade soci-snapshotterUpgrade golang-binUpgrade golang-github-burntsushi-toml-test-debugsourceUpgrade rclone-debuginfoUpgrade amazon-ecr-credential-helperUpgrade containerd-stressUpgrade golist-debuginfoUpgrade dockerUpgrade amazon-cloudwatch-agentUpgrade amazon-ssm-agentUpgrade containerd-stress-debuginfoUpgrade containerd-debugsourceUpgrade containerd-debuginfoUpgrade golang-sharedUpgrade oci-add-hooks-debuginfoUpgrade runcUpgrade golang-github-burntsushi-toml-debugsourceUpgrade rclone-debugsourceUpgrade oci-add-hooks-debugsourceUpgrade golang-github-burntsushi-toml-develUpgrade golang-github-cpuguy83-md2manUpgrade golist-debugsourceUpgrade golang-testsUpgrade runc-debuginfoUpgrade oci-add-hooksUpgrade golistUpgrade containerdUpgrade golang-github-cpuguy83-md2man-debuginfoUpgrade golang-docsUpgrade golang-github-burntsushi-toml-test-debuginfoUpgrade golang-srcUpgrade golang-github-cpuguy83-md2man-develUpgrade golang-github-burntsushi-toml-testUpgrade docker-debugsourceUpgrade golang-github-burntsushi-tomlUpgrade compat-golang-github-cpuguy83-md2man-2-develUpgrade golang-miscUpgrade runc-debugsourceUpgrade golang-github-cpuguy83-md2man-debugsourceUpgrade docker-debuginfoUpgrade credentials-fetcherUpgrade nerdctlUpgrade golang-github-burntsushi-toml-test-develUpgrade golang-github-burntsushi-toml-debuginfoUpgrade rcloneUpgrade golangUpgrade runfinch-finch	Jul 21, 2026	Jul 8, 2026
Redhat_linux	—	Upgrade golang-binUpgrade golang-docsNo solution existsUpgrade golang-testsUpgrade delve-debugsourceUpgrade go-toolsetUpgrade delve-debuginfoUpgrade golang-miscUpgrade golang-srcUpgrade golang-raceUpgrade golangUpgrade delve	Sep 2, 2026	Jul 8, 2026
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	Aug 13, 2026	Jul 8, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence