CVE-2026-54024 LibreChat: Incomplete Fix for CVE-2024-11171 — Conversation Import Multer Instance Missing File Size Limits

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the fix for CVE-2024-11171 commit bb58a2d0 added limits: fileSize to createMulterInstance in the file upload routes. However, the POST /api/convos/import endpoint uses a separate multer instance that w...

CVE-2026-54027 LibreChat: Image Upload Route Bypasses Agent Permission Check — Incomplete Fix for File Upload Authorization

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/files/images endpoint allows any authenticated user to upload files into any agent's toolresources e.g., context, executecode without verifying ownership or EDIT permission on the target...

CVE-2026-54033 LibreChat: SSRF via User-Provided Custom Endpoint baseURL — no private IP validation on user-configured API base URLs

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, LibreChat allows users to configure custom OpenAI-compatible API endpoints by setting a baseURL. This URL is used to construct HTTP requests without any SSRF validation — no private IP check, no scheme...

CVE-2026-54037

LibreChat (a multi-provider ChatGPT-like app) contains a missing rate limiter in POST /api/convos/duplicate, which performs the same expensive DB operations as POST /api/convos/fork. The fix for CVE-2025-7105 added forkIpLimiter and forkUserLimiter to /fork, but did not apply a corresponding limi...

CVE-2026-54040 LibreChat: 2FA Backup Code Regeneration Without OTP Verification Allows 2FA Bypass

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

EUVD-2026-39456

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

EUVD-2026-39454

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

CVE-2026-55693

Vim is an open source, command line text editor. Prior to 9.2.0653, the treecountwords function in src/spellfile.c fills in the word-count fields of a spell-file word trie by walking it iteratively with a depth counter. The counter is bounded only by the trie structure itself; it is never checked...

CVE-2026-55892

Vim is an open source, command line text editor. Prior to 9.2.0662, the dumpprefixes function in src/spell.c walks a spell-file prefix trie iteratively with a depth counter while dumping the prefixes that apply to a word. The counter is bounded only by the trie structure itself; it is never check...

CVE-2026-55895 Vim: Vimscript Code Injection in netrw NetrwLocalRmFile() via crafted filename

Vim is an open source, command line text editor. Prior to 9.2.0663, a Vimscript code injection vulnerability exists in s:NetrwLocalRmFile in the netrw plugin runtime/pack/dist/opt/netrw/autoload/netrw.vim when deleting a local file from the browser. A filename derived from the buffer's directory...

CVE-2026-55895

Vim is an open source, command line text editor. Prior to 9.2.0663, a Vimscript code injection vulnerability exists in s:NetrwLocalRmFile in the netrw plugin runtime/pack/dist/opt/netrw/autoload/netrw.vim when deleting a local file from the browser. A filename derived from the buffer's directory...

CVE-2026-57451 Vim: Out-of-bounds Read in Text Property Count

Vim is an open source, command line text editor. Prior to 9.2.0670, gettextprops in src/textprop.c reads a uint16 property count stored inline after a line's text and returns it as the number of 32-byte textpropT entries that follow. The only check is a floor that guarantees room for a single...

CVE-2026-57451

Vim is an open source, command line text editor. Prior to 9.2.0670, gettextprops in src/textprop.c reads a uint16 property count stored inline after a line's text and returns it as the number of 32-byte textpropT entries that follow. The only check is a floor that guarantees room for a single...

EUVD-2026-39448

Vim is an open source, command line text editor. Prior to 9.2.0671, when Vim opens a file encrypted with the VimCrypt04! or VimCrypt05! method xchacha20poly1305, requires the +sodium feature whose body is shorter than a single libsodium secretstream header, an unsigned length calculation underflo...

CVE-2026-57453

CVE-2026-57453 affects Vim (9.1.1784–9.2.0678) where the bundled zip.vim plugin falls back to PowerShell to handle zip archives. The PowerShell command is built by inserting archive entry names quoted for the shell but not for PowerShell, allowing a crafted entry name to escape the intended strin...

CVE-2026-12844

CVE-2026-12844 affects List::SomeUtils::XS before 0.59 for Perl. The vulnerability is a heap buffer overflow in pairwise(), where the heap buffer is grown by a single quadrupling (alloc <

EUVD-2026-39444

List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function. pairwise collects the values returned by the block into a heap buffer sized to the longer input array, then grows the buffer before each copy with a single quadrupling alloc = 2 instead of a...

CVE-2026-57454

Vim vulnerability CVE-2026-57454 affects 9.2.0320–9.2.0679. A crafted undo or swap file can store a virtual-text property with offset/length outside the line’s property data. On restore/display, Vim converts the offset to a pointer and reads the virtual text without bounds checking, causing an ou...

CVE-2026-57454

Vim is an open source, command line text editor. From 9.2.0320 until 9.2.0679, a crafted undo or swap file can store a virtual-text property whose offset and length point outside the line's property data. When Vim restores or displays such a line it converts the offset into a pointer and reads th...

CVE-2026-48942

Affected software: K2 extension for Joomla (getk2.com), version constraint listed as K2 ≤ 2.26. Vulnerability: two templates render the database column __#k2_users.image directly into HTML src attributes without HTML escaping, revealing a stored-XSS risk. Root cause: lack of escaping when injecti...