PYSEC-2026-2496 Glances has Insecure Pickle Deserialization in its Version Cache that Leads to Arbitrary Code Execution

Summary glances/outdated.py uses pickle.load to read a version-check cache file stored at a predictable, world-accessible path /.cache/glances/glances-version.db or $XDGCACHEHOME/glances/glances-version.db. No integrity check, signature verification, or format validation is performed before...

PYSEC-2026-2666 motionEye's World-Readable Configuration File Exposes Admin Password Hash

Security Advisory: World-Readable Configuration File Exposes Admin Password Hash in motionEye Summary motionEye v0.43.1 and prior versions create the configuration file /etc/motioneye/motion.conf with 644 permissions -rw-r--r--, making it readable by any local user on the system. This file contai...

PYSEC-2026-2497 Glances is Vulnerable to Command Injection via KVM/QEMU VM Domain Names in glances/plugins/vms/engines/virsh.py

Summary The Glances KVM/QEMU monitoring engine glances/plugins/vms/engines/virsh.py passes VM domain names, read directly from virsh list --all output, into f-string command templates that are processed by securepopen. securepopen is explicitly designed to interpret &&, |, and as shell operators...

PYSEC-2026-2422 ComfyUI-Manager has an Unprotected Alternate Channel (CWE-420)

Impact An Unprotected Alternate Channel CWE-420 vulnerability was discovered in ComfyUI-Manager versions prior to 3.38. Vulnerability Details In affected versions, ComfyUI-Manager stored its configuration in the user/default/ComfyUI-Manager/ directory, which was accessible via ComfyUI's web APIs...

PYSEC-2026-2973 py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()

Summary PackInfo.read uses an On^2 cumulative sum pattern where numstreams is read directly from the archive header. A crafted .7z archive with a large numstreams value causes excessive CPU consumption during SevenZipFile.init — no extraction is needed. A 50 KB archive takes 7 seconds of CPU time...

PYSEC-2026-2498 Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack

Summary The Glances XML-RPC server glances -s, implemented in glances/server.py does not validate the HTTP Host header, leaving it vulnerable to DNS rebinding attacks. CVE-2026-32632 patched in 4.5.2 added TrustedHostMiddleware to the REST/WebUI server; the MCP server has had equivalent protectio...

PYSEC-2026-2495 Glances: XML-RPC Multi-Origin CORS Configuration Silently Falls Back to Wildcard (Incomplete Fix for CVE-2026-33533)

Summary The Glances XML-RPC server glances -s introduced a configurable CORS origin list in version 4.5.3 as a mitigation for CVE 2026-33533. However, the implementation silently falls back to Access-Control-Allow-Origin: whenever corsorigins contains more than one entry. An operator who configur...

PYSEC-2026-2972 py7zr: Decompression bomb (zip bomb) denial of service via unchecked extraction size

py7zr's Worker.decompress extracts archive entries without tracking total decompressed size. A crafted .7z file can exhaust disk or memory before the extraction completes. Measured: 15.6 KB archive → 100 MB output 6,556:1 ratio. Proof of concept: python import py7zr, tempfile, os create bomb:...

PYSEC-2026-2664 motionEye has an Arbitrary File Read via Path Traversal in Picture/Movie Preview Endpoint

Summary motionEye v0.43.1 latest stable is vulnerable to path traversal in the picture and movie API endpoints, like /picture/id/preview/filename. Neither the API handlers, nor the mediafiles.py functions like getmediapreview check for .. sequences in the filename parameter, except getmediaconten...

PYSEC-2026-2541 jupyterlab-git extension: Stored XSS leading to RCE

Overview Amazon Web Services AWS Security has identified a stored cross-site scripting XSS issue in the jupyterlab-git JupyterLab extension that can lead to remote code execution RCE. The issue exists in the PlainTextDiff.ts component, where the createHeader method passes Git filenames directly t...

PYSEC-2026-2872 PGHoard: Password written to debug log

Impact When using .pgpass, database connection information including the username and password will be logged at the debug level. Patches Upgrade to version 2.7.1 or greater. Workarounds Filter out debug-level logs. References This issue was discovered by BugCrowd user DRAKOKORIAN...

PYSEC-2026-3035 Python Liquid: Infinite loop when parsing malformed `{% case %}` tags

Impact Given a malformed % case % tag without associated % when % or % else % block, and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time. This allows malicious template authors to craft templates for a denial of service attack. Patches The issue is fixed in...

PYSEC-2026-2395 Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()

Summary The AWS Bedrock AgentCore Python SDK bedrock-agentcore is an open-source SDK that enables developers to build, deploy, and manage agents on AWS Bedrock AgentCore. An issue exists in the installpackages method of the Code Interpreter client where crafted package name arguments can bypass...

PYSEC-2026-2540 jupyterlab-git extension: Stored XSS leading to RCE

Overview Amazon Web Services AWS Security has identified a stored cross-site scripting XSS issue in the jupyterlab-git JupyterLab extension that can lead to remote code execution RCE. The issue exists in the PlainTextDiff.ts component, where the createHeader method passes Git filenames directly t...

PYSEC-2026-2974 py7zr: Arbitrary File Write Vulnerability

Summary There exists an arbitrary file write vulnerability in py7zr 1.1.0, latest, which allows symbolic links to be recreated outside the destination directory via crafted malicious symbolic link chains. When using extractall to extract an archive, the library restores these symbolic links,...

PYSEC-2026-3075 Stanza: Remote Code Execution via Unsafe Pickle Deserialization in Model Loaders

Summary Stanza 1.12.0 attempts to safely load PyTorch checkpoint files using torch.load..., weightsonly=True, but automatically falls back to the fully unsafe torch.load..., weightsonly=False when the safe load raises pickle.UnpicklingError. Because the UnpicklingError condition is fully...

PYSEC-2026-2539 jupyterlab-git excluded_paths Case-Sensitivity Bypass Allows Reading Excluded Directories

Summary jupyterlab-git 0.53.0 latest, 2026-04-30 uses fnmatch.fnmatchcase in GitHandler.prepare jupyterlabgit/handlers.py:91 to enforce the admin-configured excludedpaths security control. Because fnmatchcase is unconditionally case-sensitive, an authenticated user on a case-insensitive filesyste...

PYSEC-2026-2393 BBOT: Arbitrary File Write in postman_download Module

The postmandownload module uses the workspace name field from the Postman API to construct the local directory path without sanitization. If a malicious workspace has a name containing path traversal characters, pathlib resolves the path outside the intended output directory, allowing an attacker...

PYSEC-2026-2511 Hermes Agent creates response_store.db and webhook_subscriptions.json with world-readable permissions (mode 0o644)

Hermes Agent before 0.16.0 creates responsestore.db and webhooksubscriptions.json with world-readable permissions mode 0o644, exposing conversation history and HMAC secrets to local users. Attackers with local filesystem access can read these files directly to obtain sensitive data including...

PYSEC-2026-2860 pdfkit: Path traversal in from_string

In JazzCore python-pdfkit 1.0.0, the fromstring method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files...

PYSEC-2026-2394 BBOT: Symlink-Following Arbitrary Write via github_workflows Module

The githubworkflows module constructs local directory paths from user-controlled repository names without validating for symlinks. A local attacker sharing the scan directory can plant a symlink at the predictable output path, causing workflow data to be written to an attacker-chosen location...

PYSEC-2026-2392 BBOT: Path traversal (Zip-Slip) in unarchive module - incomplete fix for CVE-2025-10284

The unarchive internal module's archive extraction commands perform no code-level validation on extracted file paths, relying entirely on the behavior of external tools e.g. GNU tar which varies by platform. While CVE-2025-10284 addressed git-specific RCE vectors, the underlying archive extractio...

PYSEC-2026-2391 BBOT: Server-Side Request Forgery (SSRF) in docker_pull module via WWW-Authenticate realm parsing

The dockerpull module uses the realm parameter from a Docker registry's WWW-Authenticate response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication reques...

PYSEC-2026-2878 Pipecat: Telephony WebSocket `/ws` Unauthenticated Call-Control Abuse via Attacker-Supplied Call SID

Development Runner Telephony WebSocket /ws Unauthenticated Call-Control Abuse via Attacker-Supplied Call SID Summary The pipecat development runner registers a /ws WebSocket endpoint for telephony testing that accepts connections without any authentication. An unauthenticated remote attacker who...

PYSEC-2026-2519 OpenStack Horizon RC file generation does not escape special characters in project names

OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability...

PYSEC-2026-2510 Hermes Agent contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation

Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty, /api/ws, /api/pub, and /api/events endpoints, enabling...

PYSEC-2026-2619 marimo contains a reflected cross-site scripting vulnerability in the notebook page

marimo before 0.23.9 contains a reflected cross-site scripting vulnerability in the notebook page that allows unauthenticated attackers to inject arbitrary JavaScript by exploiting improper escaping of single quotes in the file query parameter reflected into an inline JavaScript string literal...

PYSEC-2026-2763 Open WebUI: Forged chat-file link allows cross-user file read and deletion

Summary Open WebUI v0.9.5 lets an authenticated user attach arbitrary fileid values to their own chat message without checking whether they own or can read those files. If the attacker then shares that chat and grants themselves read access, hasaccesstofile treats the victim file as accessible...

PYSEC-2026-2690 Open WebUI: Redirect-Bypass SSRF in OAuth `_process_picture_url` (incomplete-fix sibling of CVE-2026-45401)

Summary backend/openwebui/utils/oauth.py::processpictureurl v0.9.5, lines 1435-1470 calls validateurlpictureurl on the initial URL only, then invokes aiohttp.ClientSession.getpictureurl, ... without allowredirects=False. aiohttp's default is allowredirects=True, maxredirects=10; the function does...

PYSEC-2026-2757 Open WebUI: Stored XSS to Account Takeover via Model Profile Images

Stored XSS to Account Takeover via Model Profile Images in Open WebUI Affected: Open WebUI tags. On the output side, users.py added a MIME allowlist check and X-Content-Type-Options: nosniff. The fix was applied to UserUpdateForm, UpdateProfileForm, and later to ChannelWebhookForm. Three models...

PYSEC-2026-2750 Open WebUI: RAG ACL Bypass in Milvus Multitenancy Mode

RAG ACL Bypass in Milvus Multitenancy Mode Summary This is a bypass of the fix for: - GHSA-h36f-rqpx-j5wx - CVE-2026-44560 - "Unauthorized File and Knowledge Base Content Access via RAG Vector Search" Open WebUI added collection-level ACL checks, but the patch can still be bypassed when Milvus...

PYSEC-2026-2712 Open WebUI: Any authenticated user can read other users' private notes via Socket.IO

Summary The ydoc:document:join Socket.IO handler checks note ownership only when the documentid starts with note: colon. However, the YdocManager storage layer normalizes all document IDs by replacing colons with underscores documentid.replace":", "". An attacker can join a document room using no...

PYSEC-2026-2718 Open WebUI: Authenticated users can target arbitrary configured Ollama backends via unguarded url_idx path parameter

Summary Several direct, index-addressed Ollama proxy routes accept a caller-supplied urlidx path parameter and use it as a raw index into the admin-configured OLLAMABASEURLS list. Access control on these routes validates only whether the user may use the requested model, never which backend the...

PYSEC-2026-2695 Open WebUI: Cross-origin postMessage confirmation bypass via action:submit

Summary The chat message listener allows non-same-origin input:prompt and action:submit messages, so an external site can set prompt text and trigger submitPrompt in an authenticated victim session. I validated this with a cross-origin attacker page that auto-posted messages and caused unauthoriz...

PYSEC-2026-2761 Open WebUI: Forged model meta.knowledge allows cross-user file read and deletion

Summary Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the referenced files. Open WebUI then treats meta.knowledge entries of type file as an authorization source in two...

PYSEC-2026-2743 Open WebUI: SSRF Protection Bypass in Playwright Web Loader via HTTP Redirects

Summary The SafePlaywrightURLLoader implements a validateurl function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only on the initial URL. Since Playwright automatically follows HTTP redirects 301/302 by default, an attacker c...

PYSEC-2026-2751 Open WebUI: Path traversal / SSRF in terminal server proxy via encoded path traversal

Summary The terminal-server reverse proxy in backend/openwebui/routers/terminals.py does not fully confine the user-controlled path segment before forwarding it to an admin-configured terminal server. An authenticated user who has been granted access to a terminal server can craft path values...

PYSEC-2026-2701 Open WebUI Prompt history IDOR: unbound history_id allows cross-prompt read and deletion

Summary Open WebUI's prompt version-history endpoints authorize the promptid in the URL but then act on caller-supplied history IDs without verifying that the history row belongs to that prompt historyentry.promptid == prompt.id. Three operations are affected: - GET...

PYSEC-2026-2759 Open WebUI: Stored XSS in Mermaid Markdown Preview

Summary Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with securityLevel: 'loose', attacker-controlled Mermaid content can be rendered unsafely in this flow. A working paylo...

PYSEC-2026-2736 Open WebUI: Sibling-Prefix Path Traversal via /cache/{path}

Summary A path traversal vulnerability exists in open-webui's cache file serving endpoint that allows any authenticated user to read files from sibling directories outside the intended cache directory, by exploiting an incomplete startswith containment check that lacks a trailing path separator...

PYSEC-2026-2721 Open WebUI BOLA: `search_knowledge_files` Allows Unauthorized Knowledge Base File Enumeration

Summary Open WebUI has a Broken Object Level Authorization BOLA vulnerability in the builtin searchknowledgefiles tool. When native function calling is enabled and the selected model has no attached knowledge bases, an authenticated user can call searchknowledgefiles with an arbitrary knowledgeid...

PYSEC-2026-2766 Open WebUI: Cross-user file disclosure via /api/chat/completions image_url field

summary POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the global file table with no ownership check. An authenticated user can therefore set imageurl.url to another...

PYSEC-2026-3431 yt-dlp: File Downloader cookie leak with curl

Summary If curl is used an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's. This is the equivalent to GHSA-v8mc-9377-rwjj for the curl downloader. The vulnerable behavior is...

PYSEC-2026-3404 vLLM: OOM Denial of Service via Audio Decompression Bomb

Summary vLLM's /v1/audio/transcriptions endpoint limits compressed upload size but not decoded PCM output. A 25MB OPUS file expands to 14.9GB of float32 PCM at decode time. Tested on vLLM v0.19.0. Details SpeechToTextProcessor rejects uploads over VLLMMAXAUDIOCLIPFILESIZEMB default 25MB based on...

PYSEC-2026-3408 vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via Anthropic router

vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via the Anthropic API router Researcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security Research Severity: CVSS 3.1 5.3 Medium AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Target: https://github.com/vllm-project/vllm ---...

PYSEC-2026-3430 yt-dlp: Dangerous file type creation via insufficient filename sanitization (Bypass of CVE-2024-38519)

Summary A vulnerability exists in yt-dlp that allows a remote attacker to write arbitrary OS-shortcut files such as .desktop, .url, .webloc to the user's filesystem, bypassing the remediation for CVE-2024-38519. Details The fix for CVE-2024-38519 enforced an allowlist for file extensions, in orde...

PYSEC-2026-3405 vLLM: temperature=NaN and temperature=Infinity bypass validation and propagate to GPU kernels

Summary All temperature validation gates use comparison operators , which silently evaluate to False for NaN and for positive Infinity in Python's IEEE 754 float semantics. Both values pass every guard and propagate to GPU sampling kernels, where they produce undefined behavior or CUDA errors tha...

PYSEC-2026-3403 vLLM: GGUF dequantize kernel int truncation exposes uninitialized GPU memory in multi-tenant serving

Summary Integer truncation of tensor dimensions in vLLM's GGUF dequantize kernels csrc/quantization/gguf/ggufkernel.cu causes partial tensor processing. The output tensor is allocated at full size via torch::empty uninitialized memory, but the dequantize CUDA kernel processes only a truncated...

PYSEC-2026-2686 OpenStack Nova: Nova scheduler hint injection bypasses Placement resource claims and scheduling constraints

Affects - Nova: =18.0.0 =32.0.0 =33.0.0 33.0.2 Description Erichen from the Institute of Computing Technology, Chinese Academy of Sciences reported that Nova's server create API does not strip internal scheduler hints. An authenticated user can bypass Placement resource claims and scheduling...

PYSEC-2026-2722 Open WebUI IDOR: Calendar event re-parenting allows writing events into another user's calendar

Summary POST /api/v1/calendars/events/eventid/update validates that the caller has write access to the calendar the event currently belongs to, but does not validate the destination calendarid supplied in the request body. The model layer then persists the new calendarid unconditionally. A regula...