CVE-2026-34982Patch(vim / vim)

Vim patches a critical 8.2 CVSS RCE (CVE-2026-34982). Malicious "modelines" can bypass sandboxes to execute commands. Update to 9.2.0276 immediately! #Vim #CyberSecurity #RCE #InfoSec #Vulnerability #PatchNow #Linux #SysAdmin #CodeExecution #TechNews https://securityonline.info/vim-rce-vulnerability-cve-2026-34982-modeline-bypass/ https://t.co/ewfzfC3YaG

أبرز الحوادث الأخيرة (2026): CVE-2026-34982 (Modeline Sandbox Bypass) → مارس/أبريل 2026 → فتح ملف ملغوم = تنفيذ أوامر. الحل: تحديث 9.2.0276 + set nomodeline CVE-2026-39881 (NetBeans Command Injection) → أبريل 2026 → اتصال بسيرفر خبيث = RCE. الحل: تحديث 9.2.0316

first time I read CVE-2026-34982, I was like who the fuck that uses vim that would open a file that they don't know its source I just realized I use neovim as a pager to neomutt, it still does not affect me, but that could me that someone is using vim as a pager lol

CVE-2026-34982 · NIST 8.2/10 https://nvd.nist.gov/vuln/detail/CVE-2026-34982

CVE-2026-34982: Vim: Modeline bypass via various options affects Vim < 9.2.0276 https://openwall.com/lists/oss-security/2026/03/31/14 Severity: High A modeline sandbox bypass in Vim allows arbitrary OS command execution when a user opens a crafted file

CVE-2026-34982: Vim Modeline Sandbox Bypass - What It Means for Your Business and How to Respond https://hubs.li/Q04b0qgr0

⚠️ **Vulnerability Alert:** Vim Modeline Sandbox Bypass Leading to Arbitrary OS Command Execution 📅 **Timeline:** Disclosure: 2026-04-02, Patch: 2026-03-31 🆔 **CVE-2026-34982** | 📊 CVSS: High 🟠 🛠️ **Exploit Maturity:** Not Available 📂 **Affected Versions:** Vim < 9.2.0276 🔧 **Fixed Versions:** 9.2.0276 🫨 **Attack Vectors:** - Local - victim opens a specially crafted file (user interaction required) 📝 **Summary:** A modeline sandbox bypass in Vim lets specially crafted files escape modeline protections and execute arbitrary OS commands as the user who opens the file. This can lead to system compromise, data theft, and lateral movement—update immediately. 📈 **Impact Scope:** Arbitrary OS command execution with the privileges of the user running Vim; potential system compromise, data theft, and lateral movement. 🛡️ **Recommended Actions:** - Update Vim to version 9.2.0276 or later immediately. - Disable modeline temporarily (add "set nomodeline" to local.vimrc). - Do not open files from untrusted sources; scan/validate before opening. - Run editors with least privilege and restrict development workstation access. - Monitor for anomalous command execution and follow vendor advisories. 🪢 **Related Resources:** - https://cybersecuritynews.com/vim-modeline-bypass-vulnerability/ - https://github.com/vim/vim/security/advisories/GHSA-8h6p-m6gr-mpw9 🏷 **Tags:** #Cybersecurity #Vim #RCE

⚠️ **Vulnerability Alert:** Vim Modeline Sandbox Bypass Allowing Arbitrary OS Command Execution (CVE-2026-34982) 📅 **Timeline:** Disclosure: Not Available, Patch: Not Available 🆔 **CVE-2026-34982** | 📊 CVSS: Not Available | 📈 EPSS: Not Available% 🛠️ **Exploit Maturity:** Not Available 🫨 **Attack Vectors:** - Opening a specially crafted file containing a malicious modeline (user-opened file) 📝 **Summary:** A malicious modeline in a crafted file can bypass Vim's modeline sandbox and execute arbitrary OS commands with the privileges of the user running Vim. This may enable data access, code execution, or further system compromise depending on user privileges. 📈 **Impact Scope:** Arbitrary operating-system command execution as the user running Vim; potential data access, code execution, and further system compromise depending on user privileges. 🛡️ **Recommended Actions:** - Do not open untrusted files in Vim. - Disable modelines in Vim configuration (e.g., set nomodeline) until a patch is available. - Run editors with least privilege and consider sandboxing or containerizing editing sessions. - Monitor vendor advisories and apply patches when released. - Educate users to avoid opening files from untrusted sources. 🪢 **Related Resources:** - https://cybersecuritynews.com/vim-modeline-bypass-vulnerability/ - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34982 🏷 **Tags:** #Cybersecurity #Vim #CVE2026_34982

⚠️ **Vulnerability Alert:** Vim modeline sandbox bypass (arbitrary OS command execution) & Nginx-UI backup-restore tampering 🆔 **CVE-2026-34982** 🆔 **CVE-2026-33026** | 📊 CVSS: 9.1 (CRITICAL 🔴) | 📈 EPSS: 1.67% 🛠️ **Exploit Maturity:** Proof-of-Concept 📂 **Affected Versions:** unspecified Vim versions (modeline sandbox bypass), nginx-ui < 2.3.4 🔧 **Fixed Versions:** (unknown), nginx-ui 2.3.4 🫨 **Attack Vectors:** - Vim: local file modeline crafted to execute OS commands when opened (local user opens file) - Nginx-UI: backup restore tampering via manipulated encrypted backup archives (network-exposed service; requires high privileges) 📝 **Summary:** A Vim modeline sandbox bypass can execute arbitrary OS commands when a crafted file is opened, risking system compromise under the user context. Nginx-UI backup-restore tampering allows malicious configs to be injected during restore, enabling persistent compromise; nginx-ui is patched in 2.3.4. 📈 **Impact Scope:** Arbitrary command execution on systems where vulnerable Vim is used; persistent configuration changes and service compromise on nginx-ui instances restored from tampered backups; potential for lateral movement and privilege escalation. 🛡️ **Recommended Actions:** - Disable Vim modeline processing (set modeline=0 and modelines=0) and avoid opening untrusted files. - Upgrade nginx-ui to 2.3.4 immediately and verify backup integrity before any restore. 🪢 **Related Resources:** - https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq - https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4 🏷 **Tags:** #Cybersecurity #Vim #nginx-ui

⚠️ **Vulnerability Alert:** Vim modeline sandbox bypass allowing arbitrary OS command execution (CVE-2026-34982) 📅 **Timeline:** Disclosure: 2026-04-02, Patch: 2026-03-31 🆔 **CVE-2026-34982** | 📊 CVSS: Not Available (High 🟠) | 📈 EPSS: Not Available% 🛠️ **Exploit Maturity:** Not Available 📂 **Affected Versions:** Versions < 9.2.0276 🔧 **Fixed Versions:** 9.2.0276 or later 🫨 **Attack Vectors:** - Local — victim must open a crafted file (user interaction required) 📝 **Summary:** A modeline sandbox bypass in Vim allows specially crafted files to execute arbitrary OS commands as the user opening them. Exploitation requires opening a malicious file but can lead to full user-context compromise, data exposure, and integrity loss. 📈 **Impact Scope:** Arbitrary OS command execution with the privileges of the user running Vim; impacts confidentiality and integrity and can lead to full user-context compromise on affected systems. 🛡️ **Recommended Actions:** - Update Vim to 9.2.0276 or later immediately. - If patching is not possible, disable modelines (add "set nomodeline" to local vimrc). - Run editors with least privilege; avoid running as root/privileged accounts. - Educate users to avoid opening untrusted files and audit deployments via configuration management. 🪢 **Related Resources:** - https://cybersecuritynews.com/vim-modeline-bypass-vulnerability/ - https://github.com/vim/vim/security/advisories/GHSA-8h6p-m6gr-mpw9 🏷 **Tags:** #Cybersecurity #Vim #RCE

CVE-2026-34982 Re https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-34982

@the_yellow_fall Open a file in vim, get owned. CVE-2026-34982 turns the most trusted tool on every Linux server into an attack vector. Modeline sandbox bypass at CVSS 8.2 — and modelines are enabled by default on most distros. Update or add "set nomodeline" to your vimrc. https://vulntracker.io