tar: Node-tar: Denial of Service via malformed tar archive header

A flaw was found in node-tar, a tar archive manipulation library for Node.js. A remote attacker could exploit this vulnerability by providing a specially crafted tar archive with a negative entry size in its header. This malformed header causes the archive scanner to enter an infinite loop,...

pypdf: Possible infinite loop for TreeObject.insert_child

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires a usually writing code path where TreeObject.insertchild is involved. PatchesThis has been fixed in pypdf==6.16.0. WorkaroundsIf you cannot upgrade yet, consider applying the changes from ...

PYSEC-2026-3913 pypdf: Possible infinite loop for TreeObject.insert_child

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires a usually writing code path where TreeObject.insertchild is involved. Patches This has been fixed in pypdf==6.16.0. Workarounds If you cannot upgrade yet, consider applying the changes fr...

Apache Thrift Python, Go, PHP and Java bindings have an Infinite Loop

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in Apache Thrift Python, Go, PHP and Java bindings.This issue affects Apache Thrift: before 0.24.0.Users are recommended to upgrade to version 0.24.0, which fixes the issue...

PYSEC-2026-3926 Apache Thrift Python, Go, PHP and Java bindings have an Infinite Loop

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in Apache Thrift Python, Go, PHP and Java bindings.This issue affects Apache Thrift: before 0.24.0. Users are recommended to upgrade to version 0.24.0, which fixes the issue...

httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server

A flaw was found in the modproxyftp module of the Apache HTTP Server. A remote attacker, by controlling a backend File Transfer Protocol FTP server, can trigger an infinite loop. This vulnerability, categorized as a Loop with Unreachable Exit Condition, leads to a Denial of Service DoS for the...

jfrog-CVE-2023-43786-libX11_DoS

CVE-2023-43786 概念验证 概述 这是 libX11 拒绝服务漏洞 CVE-2023-43786 的 DoS 概念验证。 它将触发整数溢出并导致无限循环。 受影响的版本为：libX11 1.8.6 及以下版本，以及 libXpm 3.5.16。 如需全面了解，请参阅随附的博客文章以获取详细信息。 依赖项 存在漏洞的 libXpm 和 libX11 版本 已安装 xpmutils 使用方法 1. 确保已安装 xpmutils： root@kitploit: sudo apt-get install xpmutils 2. 运行 PoC： root@kitploit: sxpm...

Linux Distros Unpatched Vulnerability : CVE-2026-89045

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - zstd-jni versions 1.4.8-4 through 1.5.7-13 fail to validate negative length parameters in ZstdInputStreamNoFinalizer.read, allowing attackers to trigger infinit...

PT-2026-89524

zstd-jni versions 1.4.8-4 through 1.5.7-13 fail to validate negative length parameters in ZstdInputStreamNoFinalizer.read, allowing attackers to trigger infinite loops. Attackers can pass negative length values to cause the read method to spin indefinitely while holding the stream monitor, blocki...

Open WebUI: Any authenticated user can hang the server via message deletion in a cyclic chat tree

Summary Chat histories are stored as an unvalidated JSON object. After a message is deleted, the code that picks the chat's new current message walked down the childrenIds links without recording where it had already been. Any account with the default user role could store a chat whose messages...

GHSA-3CGP-3CQX-J8W2 Open WebUI: Any authenticated user can hang the server via message deletion in a cyclic chat tree

Summary Chat histories are stored as an unvalidated JSON object. After a message is deleted, the code that picks the chat's new current message walked down the childrenIds links without recording where it had already been. Any account with the default user role could store a chat whose messages...

EUVD-2026-75185

Open WebUI: Any authenticated user can hang the server via message deletion in a cyclic chat tree...

Open WebUI: Any authenticated user can hang the server via a cyclic chat message history

Summary Chat histories are stored as an unvalidated JSON object. The walk that reconstructs a chat's message chain detected repeats using each message's own id field while moving through the history by map key, so a message that simply omitted id was never recorded as visited. A history whose...

CVE-2026-88002

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.1, the message-chain reconstruction helper in backend/openwebui/utils/misc.py advanced through a chat history by map key but tracked visited entries using each message body's optional id...

CVE-2026-88000

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/chats/id/messages/messageid used the chat-history deletion helper in backend/openwebui/models/chats.py to follow childrenIds without recording visited message identifiers...

CVE-2026-88000

Open WebUI (a self-hosted AI platform) versions 0.10.0 through 0.11.1 contain a denial-of-service vulnerability in the DELETE /api/v1/chats/{id}/messages/{message_id} endpoint. The chat-history deletion helper follows childrenIds without tracking visited message identifiers, so an authenticated u...

CVE-2026-88000 Open WebUI: Any authenticated user can hang the server via message deletion in a cyclic chat tree

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/chats/id/messages/messageid used the chat-history deletion helper in backend/openwebui/models/chats.py to follow childrenIds without recording visited message identifiers...

CVE-2026-88000 Open WebUI: Any authenticated user can hang the server via message deletion in a cyclic chat tree

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, DELETE /api/v1/chats/id/messages/messageid used the chat-history deletion helper in backend/openwebui/models/chats.py to follow childrenIds without recording visited message identifiers...

CVE-2026-87013

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/v1/folders/id/update/parent allowed a user to place a folder under itself or one of its descendants, while the folder tree walks used by DELETE /api/v1/folders/id and POST...

CVE-2026-87013 Open WebUI: Any authenticated user can start a non-terminating request via a folder parent cycle

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.1, POST /api/v1/folders/id/update/parent allowed a user to place a folder under itself or one of its descendants, while the folder tree walks used by DELETE /api/v1/folders/id and POST...