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CVE-2026-92747— Cockpit-machines: cockpit-machines: sensitive data exposure of guest credentials via json argument in process list

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

A flaw was found in . This vulnerability allows a local attacker with the ability to inspect running processes to expose sensitive guest virtual machine (VM) credentials, such as and . This occurs when the script passes these credentials as a JSON command-line

CVSS 5.0 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 9 any unknown
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I. Basic Information for CVE-2026-92747

Vulnerability Information

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Vulnerability Title
Cockpit-machines: cockpit-machines: sensitive data exposure of guest credentials via json argument in process list
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in `cockpit-machines`. This vulnerability allows a local attacker with the ability to inspect running processes to expose sensitive guest virtual machine (VM) credentials, such as `rootPassword` and `userPassword`. This occurs when the `install_machine.py` script passes these credentials as a JSON command-line argument during VM creation or installation. The exposure is limited to the period when the installation workflow is active and depends on host process-visibility policies.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过处理环境导致的信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-92747

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III. Intelligence Information for CVE-2026-92747

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Vendor Advisories for CVE-2026-92747 (1)

Other References for CVE-2026-92747 (1)

Same Patch Batch · Red Hat · 2026-09-18 · 42 CVEs total

CVE-2026-93569 8.2 HIGH Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :au
CVE-2026-91149 7.5 HIGH Cockpit: cockpit: denial of service via unbounded connection thread spawning
CVE-2026-93565 7.5 HIGH Io.netty/netty-codec-http: netty rtspdecoder method-token smuggling via trailing control b
CVE-2026-93564 7.5 HIGH Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf refere
CVE-2026-93567 7.5 HIGH Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/
CVE-2026-93558 7.5 HIGH Io.netty/netty-codec-http: netty: unbounded per-connection queue growth in websocketserver
CVE-2026-93576 7.5 HIGH Io.netty/netty-codec-smtp: netty netty-codec-smtp — smtp command-name field is not crlf-va
CVE-2026-93568 7.5 HIGH Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended
CVE-2026-93560 7.5 HIGH Io.netty/netty-codec-stomp: netty: stomp codec content-length long-to-int truncation cause
CVE-2026-93491 7.5 HIGH Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1
CVE-2026-93488 7.5 HIGH Io.netty/netty-codec-http: netty: denial of service via unbounded concurrent spdy streams
CVE-2026-93563 7.5 HIGH Io.netty/netty-codec-smtp: netty: unbounded multi-line response accumulation in smtprespon
CVE-2026-93572 7.5 HIGH Io.netty/netty-codec-redis: netty: redisarrayaggregator nested resp headers multiply patch
CVE-2026-93575 7.5 HIGH Io.netty/netty-codec-mqtt: netty: resource exhaustion in mqttdecoder
CVE-2026-87743 7.5 HIGH Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus htt
CVE-2026-93494 7.5 HIGH Io.netty/netty-codec-stomp: netty: bytebuf leak in stompsubframedecoder when a frame body
CVE-2026-89059 7.5 HIGH Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)
CVE-2026-89058 7.4 HIGH Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildc
CVE-2026-81627 6.7 MEDIUM Qemu-kvm: vapic writable rom alias can escape the option-rom window and expose locked smra
CVE-2026-93566 6.5 MEDIUM Io.netty/netty-codec-http: netty: http request smuggling due to control characters in the

Showing top 20 of 42 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-214

V. Comments for CVE-2026-92747

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