PoC---CVE-2023-26482-RCE-LAB-Nextcloud

Next cloud 概念验证与分析 安全声明 本仓库复现了一个已公开披露并修复的漏洞，在受控的 Docker 实验环境中用于教育和研究目的。 该环境故意设计为存在漏洞，必须只在隔离的测试环境中部署。禁止未经明确授权尝试利用任何系统。 本项目旨在展示漏洞分析、利用流程及缓解策略。 本实验复现了 CVE-2023-26482 ，一个 Nextcloud Server 中的缺失范围验证漏洞，允许经过身份验证的用户创建恶意工作流，若安装了“工作流脚本”应用，则可能导致远程代码执行RCE。 前提条件 Docker 和 Docker Compose Python 3 requests 库 安装 1...

PT-2026-98983

GitLab has remediated an issue in GitLab EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions could have allowed an authenticated user with developer permissions to execute a policy test pipeline on projects within their grou...

EUVD-2026-80221

GitLab has remediated an issue in GitLab EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions could have allowed an authenticated user with developer permissions to execute a policy test pipeline on projects within their grou...

CVE-2026-79708 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions could have allowed an authenticated user with developer permissions to execute a policy test pipeline on projects within their grou...

CVE-2026-79708

CVE-2026-79708 is an incorrect authorization flaw in GitLab EE affecting versions 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2. Due to insufficient scope validation , an authenticated user with developer permissions could execute a policy test pipeline on projects within their g...

PT-2026-93329

Name of the Vulnerable Software and Affected Versions GitLab EE versions 19.0 through 19.1.7 GitLab EE versions 19.2 through 19.2.5 GitLab EE versions 19.3 through 19.3.1 Description Insufficient scope validation allows an authenticated user with developer permissions to execute a policy test...

GitLab 19.0 < 19.1.8 / 19.2 < 19.2.6 / 19.3 < 19.3.2 (CVE-2026-79708)

The version of GitLab installed on the remote host is affected by a vulnerability, as follows: - GitLab has remediated an issue in GitLab EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions could have allowed an authenticate...

CVE-2026-79708: Incorrect Authorization

GitLab has remediated an issue in GitLab EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that, under certain conditions could have allowed an authenticated user with developer permissions to execute a policy test pipeline on projects within their grou...

ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange

Summary A vulnerability in ZITADEL’s OAuth2 Token Exchange endpoint allows an authenticated user or client to exchange a low-privilege access token for a token with elevated permissions at a completely different application. This bypasses the intended authorization and separation policies...

GHSA-VRH8-C9CM-WH8V ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange

Summary A vulnerability in ZITADEL’s OAuth2 Token Exchange endpoint allows an authenticated user or client to exchange a low-privilege access token for a token with elevated permissions at a completely different application. This bypasses the intended authorization and separation policies...

EUVD-2026-77452

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent...

CVE-2026-90934

EspoCRM before 10.0.4 is affected by a field-level security bypass in the meeting and call attendees endpoints. The root cause is incorrect ACL scope validation that checks parent event permissions instead of attendee entity permissions, allowing authenticated users to recover restricted email ad...

CVE-2026-90934: Incorrect Authorization

EspoCRM before 10.0.4 contains a field-level security bypass vulnerability in the meeting and call attendees endpoints that allows authenticated users to read restricted email addresses. Attackers can recover hidden attendee emails by exploiting incorrect ACL scope validation that checks parent...

Improper Authorization

Apache CXF is vulnerable to Improper Authorization. The vulnerability is due to the OAuth2 Dynamic Client Registration endpoint accepting and storing client-supplied scope values without validating them against an allowed scope list, which allows an attacker to self-assign privileged scopes durin...

Linux Distros Unpatched Vulnerability : CVE-2026-73208

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the...

ALPINE-CVE-2026-73208

An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the audience claim is used in its place and checked against the configured required scopes. These are different concepts, and the audience claim...

CVE-2026-73208

Dovecot (Open-Xchange) contains an OAuth2 token validation flaw : when a token response lacks a scope claim , the audience claim is used in its place and checked against configured required scopes. Because these are distinct concepts, a token granted no relevant permissions can be accepted if its...

EUVD-2026-67680

An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token response does not contain a scope claim, the audience claim is used in its place and checked against the configured required scopes. These are different concepts, and the audience claim...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...

CVE-2026-40205

An attacker that holds an OAuth2 token granting only part of the required scopes can authenticate, because when more than one scope is required in the configuration, the remote token validation paths accept a token that carries only one of them, while the local token validation path correctly...