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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.

在组件中发现了一个安全漏洞。该漏洞允许具备查看运行进程权限的本地攻击者泄露敏感的来宾虚拟机（VM）凭据，例如和。此漏洞发生在创建或安装虚拟机时，脚本将这些凭据作为 JSON 格式的命令行参数进行传递。凭据暴露的时间范围仅限于安装流程激活期间，并且取决于主机的进程可见性策略。

CVSS 5.0 · Medium EPSS 0.17% · P6 Updated Oct 21, 2026

Possible ATT&CK Techniques 1 AI

T1082 · System Information Discovery

Affected Version Matrix 2

Vendor	Product	Version Range	Status
Red Hat	Red Hat Enterprise Linux 10	`0:348.1-1.el10_2< *`	unaffected
Red Hat	Red Hat Enterprise Linux 9	`0:348.1-1.el9_8< *`	unaffected

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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	0:348.1-1.el10_2 ~ *	`cpe:/o:redhat:enterprise_linux:10.2`
Red Hat	Red Hat Enterprise Linux 9	0:348.1-1.el9_8 ~ *	`cpe:/a:redhat:enterprise_linux:9::appstream`

II. Public POCs for CVE-2026-92747

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-92747

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Vendor Advisories for CVE-2026-92747 (4)

🔗 CVE-2026-92747 - Red Hat Customer Portal vdb-entry x_refsource_REDHAT
🔗 2469260 – (CVE-2026-92747) CVE-2026-92747 cockpit-machines: cockpit-machines: Sensitive Data Exposure of guest credentials via JSON argument in process list Read full article issue-tracking x_refsource_REDHAT
🔗 RHSA-2026:86971 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:86970 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT

https://www.cve.org/CVERecord?id=CVE-2026-92747

Same Patch Batch · Red Hat · 2026-09-18 · 43 CVEs total

CVE-2026-75885	9.3 CRITICAL	Openshift/console: openshift/console: unauthenticated ssrf and resource exhaustion via dev
CVE-2026-93569	8.2 HIGH	Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :au
CVE-2026-81627	8.2 HIGH	Qemu-kvm: vapic writable rom alias can escape the option-rom window and expose locked smra
CVE-2026-93567	7.5 HIGH	Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/
CVE-2026-93488	7.5 HIGH	Io.netty/netty-codec-http: netty: denial of service via unbounded concurrent spdy streams
CVE-2026-93568	7.5 HIGH	Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended
CVE-2026-93572	7.5 HIGH	Io.netty/netty-codec-redis: netty: redisarrayaggregator nested resp headers multiply patch
CVE-2026-91149	7.5 HIGH	Cockpit: cockpit: denial of service via unbounded connection thread spawning
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-2026-93575	7.5 HIGH	Io.netty/netty-codec-mqtt: netty: resource exhaustion in mqttdecoder
CVE-2026-93491	7.5 HIGH	Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1
CVE-2026-93576	7.5 HIGH	Io.netty/netty-codec-smtp: netty netty-codec-smtp — smtp command-name field is not crlf-va
CVE-2026-93560	7.5 HIGH	Io.netty/netty-codec-stomp: netty: stomp codec content-length long-to-int truncation cause
CVE-2026-93558	7.5 HIGH	Io.netty/netty-codec-http: netty: unbounded per-connection queue growth in websocketserver
CVE-2026-93564	7.5 HIGH	Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf refere
CVE-2026-93565	7.5 HIGH	Io.netty/netty-codec-http: netty rtspdecoder method-token smuggling via trailing control b
CVE-2026-93563	7.5 HIGH	Io.netty/netty-codec-smtp: netty: unbounded multi-line response accumulation in smtprespon
CVE-2026-89058	7.4 HIGH	Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildc

Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10

Same vendor: Red Hat

Same weakness: CWE-214