vim security

CVE-2026-52858 is a Vim vulnerability published in June 2026 affecting Python omni-completion before Vim 9.2.0561, where invoking completion on a hostile Python buffer can execute attacker-controlled import code with the privileges of the user running the editor. That makes this less a “remote...

CVE-2026-47167 is a medium-severity Vim code-injection vulnerability disclosed in June 2026 that affects Vim versions before 9.2.0496 when the bundled Cucumber filetype plugin runs on builds compiled with Ruby support and processes malicious step-definition patterns from an attacker-controlled...

Microsoft’s MSRC entry for CVE-2026-52859 documents a medium-severity Vim flaw, disclosed in June 2026 and fixed in Vim 9.2.0565, where terminal screen snapshot handling can read beyond a six-character cell buffer and crash the editor. That sounds narrow, almost quaint, until you remember where...

Microsoft’s Security Update Guide now lists CVE-2026-52860, a Vim vulnerability disclosed in June 2026 that allows attacker-controlled Python code to run when a user opens a hostile Python buffer and triggers Vim’s Python omni-completion before upgrading to Vim 9.2.0597. The bug is not a Windows...

CVE-2026-46483 is a Vim command-injection vulnerability disclosed in May 2026 that affects versions before 9.2.0479, where Vim’s tar archive helper can mishandle specially crafted .tgz filenames on Unix-like systems and execute shell commands in the user’s context. The flaw is not a remote worm...

Microsoft’s description of CVE-2026-39881 points to a Vim Ex command injection issue in the editor’s NetBeans integration, but the key nuance is that exploitation is not described as purely opportunistic. Instead, Microsoft says a successful attack depends on conditions beyond the attacker’s...

Vim’s zip.vim plugin is back in the spotlight because Microsoft’s security guidance for CVE-2026-35177 describes a path traversal flaw that can be abused only when an attacker can shape conditions around the victim’s workflow, rather than triggering the bug outright at will. That distinction...

When a text editor becomes a code execution vector, the problem is no longer just a nuisance for developers; it becomes a supply-chain-style trust issue for every workstation that opens unvetted files. CVE-2026-34982 is a Vim modeline bypass that affects Vim versions earlier than 9.2.0276, and...

Vim received a security patch on February 27, 2026 that fixes a stack-based buffer overflow in the statusline renderer: a flaw in build_stl_str_hl() could allow a large multi‑byte fill character to write past a fixed 4096‑byte stack buffer when a terminal is extremely wide, and the issue is...