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CVE-2026-6848— Quay: red hat quay: authentication bypass allows privileged actions without valid credentials

Quick assessment

Affected
Red Hat Red Hat Quay 3
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.

Red Hat Quay是美国红帽（Red Hat）公司的一款分布式容器镜像仓库，它主要用于构建、分布和部署容器。 Red Hat Quay 3存在代码问题漏洞，该漏洞源于在执行敏感操作请求密码重新验证时，可绕过重新身份验证提示，导致会话超时或空闲会话的攻击者无需提供有效凭据即可执行特权操作。

CVSS 5.4 · Medium EPSS 0.38% · P29
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I. Basic Information for CVE-2026-6848

Vulnerability Information
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Vulnerability Title
Quay: red hat quay: authentication bypass allows privileged actions without valid credentials
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Red Hat Quay. When Red Hat Quay requests password re-verification for sensitive operations, such as token generation or robot account creation, the re-authentication prompt can be bypassed. This allows a user with a timed-out session, or an attacker with access to an idle authenticated browser session, to perform privileged actions without providing valid credentials. The vulnerability enables unauthorized execution of sensitive operations despite the user interface displaying an error for invalid credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Quay 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Quay是美国红帽（Red Hat）公司的一款分布式容器镜像仓库，它主要用于构建、分布和部署容器。 Red Hat Quay 3存在代码问题漏洞，该漏洞源于在执行敏感操作请求密码重新验证时，可绕过重新身份验证提示，导致会话超时或空闲会话的攻击者无需提供有效凭据即可执行特权操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Quay 3 - cpe:/a:redhat:quay:3
Red Hat Red Hat Quay 3 - cpe:/a:redhat:quay:3

II. Public POCs for CVE-2026-6848

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III. Intelligence Information for CVE-2026-6848

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Vendor Advisories for CVE-2026-6848 (1)

Same Patch Batch · Red Hat · 2026-04-22 · 8 CVEs total

CVE-2026-6859 8.8 HIGH Instructlab: instructlab: arbitrary code execution due to hardcoded `trust_remote_code=tru
CVE-2026-6855 7.1 HIGH Instructlab: instructlab: path traversal allows arbitrary directory creation and file writ
CVE-2026-6861 6.1 MEDIUM Emacs: emacs: memory corruption vulnerability when processing svg css
CVE-2026-6862 5.5 MEDIUM Efivar: efivar: denial of service due to stack overflow in device path node parsing
CVE-2026-6844 5.5 MEDIUM Binutils: binutils: denial of service vulnerabilities in readelf via crafted elf files
CVE-2026-6843 5.5 MEDIUM Nano: nano: format string vulnerability leads to denial of service
CVE-2026-6845 5.0 MEDIUM Binutils: binutils: denial of service via crafted elf file

IV. Related Vulnerabilities

Same product: Red Hat Quay 3
Same vendor: Red Hat
Same weakness: CWE-613

V. Comments for CVE-2026-6848

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