PYSEC-2020-155

Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like "Bad-header: xxxxxxxxxxxxxxx\x10" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and...

PYSEC-2019-238

An issue was discovered in py-lmdb 0.97. mdbnodedel does not validate a memmove in the case of an unexpected node-mnhi, leading to an invalid write operation. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker...

PYSEC-2019-174

Multiple CSRF issues exist in MicroPyramid Django CRM 0.2.1 via /change-password-by-admin/, /api/settings/add/, /cases/create/, /change-password-by-admin/, /comment/add/, /documents/1/view/, /documents/create/, /opportunities/create/, and /login/...

PYSEC-2019-140

Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id...

PYSEC-2019-199

A code injection issue was discovered in PyXDG before 0.26 via crafted Python code in a Category element of a Menu XML document in a .menu file. XDGCONFIGDIRS must be set up to trigger xdg.Menu.parse parsing within the directory containing this file. This is due to a lack of sanitization in...

PYSEC-2019-133

The urllib3 library before 1.24.2 for Python mishandles certain cases where the desired set of CA certificates is different from the OS store of CA certificates, which results in SSL connections succeeding in situations where a verification failure is the correct outcome. This is related to use o...

PYSEC-2019-75

Ansible fetch module before versions 2.5.15, 2.6.14, 2.7.8 has a path traversal vulnerability which allows copying and overwriting files outside of the specified destination in the local ansible controller host, by not restricting an absolute path...

PYSEC-2019-7

www/resource.py in Buildbot before 1.8.1 allows CRLF injection in the Location header of /auth/login and /auth/logout via the redirect parameter. This affects other web sites in the same domain...

PYSEC-2018-26

qutebrowser version introduced in v0.11.0 1179ee7a937fb31414d77d9970bac21095358449 contains a Cross Site Scripting XSS vulnerability in history command, qute://history page that can result in Via injected JavaScript code, a website can steal the user's browsing history. This attack appear to be...

PYSEC-2017-84

An issue was discovered in middleware.py in OpenStack Swauth through 1.2.0 when used with OpenStack Swift through 2.15.1. The Swift object store and proxy server are saving unhashed tokens retrieved from the Swauth middleware authentication mechanism to a log file as part of a GET URI. This allow...

PYSEC-2017-36

Directory traversal vulnerability in minion id validation in SaltStack Salt before 2016.3.8, 2016.11.x before 2016.11.8, and 2017.7.x before 2017.7.2 allows remote minions with incorrect credentials to authenticate to a master via a crafted minion ID. NOTE: this vulnerability exists because of an...

PYSEC-2017-15

The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting XSS attacks by leveraging mishandling of special characters in attribute values, a different vulnerability than CVE-2016-9909...

PYSEC-2017-33

Salt before 2015.5.10 and 2015.8.x before 2015.8.8, when PAM external authentication is enabled, allows attackers to bypass the configured authentication service by passing an alternate service with a command sent to LocalClient...

PYSEC-2015-23

The 1 contrib.sessions.backends.base.SessionBase.flush and 2 cachedb.SessionStore.flush functions in Django 1.7.x before 1.7.10, 1.4.x before 1.4.22, and possibly other versions create empty sessions in certain circumstances, which allows remote attackers to cause a denial of service session stor...

PYSEC-2014-73

ZPublisher.HTTPRequest.scrubHeader in Zope 2 before 2.13.19, as used in Plone before 4.3 beta 1, allows remote attackers to inject arbitrary HTTP headers via a linefeed LF character...

PYSEC-2014-109

OpenStack Identity Keystone 2014.1.x before 2014.1.2.1 and Juno before Juno-3 does not properly revoke tokens when a domain is invalidated, which allows remote authenticated users to retain access via a domain-scoped token for that domain...

PYSEC-2014-107

The MySQL token driver in OpenStack Identity Keystone 2014.1.x before 2014.1.2.1 and Juno before Juno-3 stores timestamps with the incorrect precision, which causes the expiration comparison for tokens to fail and allows remote authenticated users to retain access via an expired token...

PYSEC-2013-29

The Crypto.Random.atfork function in PyCrypto before 2.6.1 does not properly reseed the pseudo-random number generator PRNG before allowing a child process to access it, which makes it easier for context-dependent attackers to obtain sensitive information by leveraging a race condition in which a...

PYSEC-2013-7

Multiple directory traversal vulnerabilities in the 1 twikidraw action/twikidraw.py and 2 anywikidraw action/anywikidraw.py actions in MoinMoin before 1.9.6 allow remote authenticated users with write permissions to overwrite arbitrary files via unspecified vectors. NOTE: this can be leveraged wi...

PYSEC-2012-1

Beaker before 1.6.4, when using PyCrypto to encrypt sessions, uses AES in ECB cipher mode, which might allow remote attackers to obtain portions of sensitive session data via unspecified vectors...

PYSEC-2012-14

Universal Feed Parser aka feedparser or python-feedparser before 5.1.2 allows remote attackers to cause a denial of service memory consumption via a crafted XML ENTITY declaration in a non-ASCII encoded document...

PYSEC-2011-32

Withdrawn as duplicate of PYSEC-2011-25. Unspecified vulnerability in 1 Zope 2.12.x before 2.12.19 and 2.13.x before 2.13.8, as used in Plone 4.x and other products, and 2 PloneHotfix20110720 for Plone 3.x allows attackers to gain privileges via unspecified vectors, related to a "highly serious...

PYSEC-2011-13

Unspecified vulnerability in Plone 2.5 through 4.0, as used in Conga, luci, and possibly other products, allows remote attackers to obtain administrative access, read or create arbitrary content, and change the site skin via unknown vectors...

PYSEC-2009-7

Multiple unspecified vulnerabilities in Trac before 0.11.6 have unknown impact and attack vectors, possibly related to 1 "policy checks in report results when using alternate formats" or 2 a "check for the 'raw' role that is missing in docutils 0.6."...

PYSEC-2026-4177 urllib3: HTTPResponse.stream()/read_chunked() buffers an unbounded chunk-size line into memory

Impact urllib3's streaming API is designed for efficiently handling large HTTP responses by reading the content in chunks, rather than loading the entire response body into memory at once. When decoding a chunked-transfer-encoded response, this API reads each chunk's size field by buffering until...

PYSEC-2026-4096 MCP Atlassian: SSRF Protection Bypass

Environment - Project: sooperset/mcp-atlassian - Affected function: validateurlforssrf - Affected path: header-based Jira/Confluence URL authentication flow - Tested endpoint: POST /mcp - Tested version: 2.14.5 Description The SSRF protection in validateurlforssrf can be bypassed with a URL...

PYSEC-2026-3460 Pixeldrain API key shared with unverified thirdparty sites

Summary When processing Pixeldrain URLs, cyberdrop-dl-patched could send an Authorization header that includes the user's API key to unverified hosts. Details Pixeldrain offers several alternative domains in case the user's ISP blocks the primary domain. To support this, requests made by...

PYSEC-2026-3490 NetLicensing-MCP: Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode

Unauthenticated Use of Server-Side NetLicensing API Key in HTTP Mode Summary When netlicensing-mcp is run in HTTP transport mode, the ApiKeyMiddleware fails to enforce authentication: requests that carry no client API key are unconditionally forwarded to the next handler server.py:1427. The...

PYSEC-2026-3462 DIRAC is vulnerable to RCE in RequestManager due to eval on untrusted input

Summary An remote code execution vulnerability exists in RequestManager due to the use of eval on untrusted input that allows any authenticated user to run code/commands on the DIRAC server as the system user running the DIRAC services. Details The exportgetRequestCountersWeb function is callable...

PYSEC-2026-3463 DIRAC is vulnerable to RCE in FileCatalog DatasetManager via SQL injection + eval

Summary The FileCatalog DatasetManager runs a query on the database and passes the result to eval. The SQL query contains an injection vulnerability which allows an authenticated user to control the parameter returned to the eval resulting in remote code execution. Details The FileCatalog...

PYSEC-2026-3536 PraisonAI: MCP SSE transport binds 0.0.0.0 with no authentication and no Origin validation; bundled SecurityConfig is never wired in

The MCP SSE server started via ToolsMCPServer.runsse / launchtoolsmcpservertransport="sse" binds to 0.0.0.0 by default and builds its Starlette application with no authentication middleware and no Origin-header validation. The module mcp/mcpsecurity.py provides exactly the needed controls origin...

PYSEC-2026-3469 bytedance InfiniStore: Denial of Service via Non-Cryptographic Hashing in InfiniStore KV Map

A vulnerability was found in bytedance InfiniStore up to 0.2.33. The impacted element is the function purgekvmap in the library /src/infinistore.h of the component KV Map Handler. Performing a manipulation results in inefficient algorithmic complexity. The attack requires a local approach. The...

PYSEC-2026-3470 OpenStack Ironic allows file overwrite via directory traversal during deployment with a crafted ISO image

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image...

PYSEC-2026-3480 LMCache: 16-bit multimodal hash collision can poison KV cache entries

A flaw has been found in LMCache up to 0.4.6. This affects the function hexhashtoint16 of the file lmcache/integration/vllm/utils.py of the component KV Cache Handler. Executing a manipulation can lead to use of weak hash. The attack needs to be launched locally. The attack requires a high level ...

PYSEC-2026-3471 OpenStack Ironic allows Boot Script Injection

OpenStack Ironic through 35.0.x allows Boot Script Injection...

PYSEC-2026-2528 joserfc: HS256/HS384/HS512 verify accepts empty/nil HMAC key (cross-language sibling of CVE-2026-45363)

Summary joserfc.jwt.decode accepts attacker-forged HMAC-signed tokens when the caller-supplied verification key is the empty string or None. HMACAlgorithm.sign and HMACAlgorithm.verify in src/joserfc/rfc7518/jwsalgs.py:62-70 feed whatever OctKey.getopkey... produced into hmac.new..., and...

PYSEC-2026-2770 Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge

Summary A memory-safety vulnerability in Open Babel's MOL2 file format parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in OBAtom::SetFormalCharge as called from the MOL2 parser. A malformed atom record caused the parser to call the method on a NULL...

PYSEC-2026-2981 pydantic-ai: SSRF blocklist bypass via IPv4-compatible, SIIT/IVI, and local NAT64 IPv6 addresses (incomplete fix of CVE-2026-46678)

Summary When an application using Pydantic AI opts a URL into forcedownload='allow-local' which disables the default block on private/internal IPs and runs on a network that routes the affected IPv6 transition forms NAT64- or ISATAP-configured networks, the cloud-metadata blocklist could be...

PYSEC-2026-2977 pydantic-ai: SSRF blocklist bypass via IPv4-compatible, SIIT/IVI, and local NAT64 IPv6 addresses (incomplete fix of CVE-2026-46678)

Summary When an application using Pydantic AI opts a URL into forcedownload='allow-local' which disables the default block on private/internal IPs and runs on a network that routes the affected IPv6 transition forms NAT64- or ISATAP-configured networks, the cloud-metadata blocklist could be...

PYSEC-2026-2589 Lemur: JWT verifier honors attacker-supplied alg, enabling ATO

Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap; chain-dependent ATO with secret disclosure Vulnerability Summary Field | Value -- | -- Title | Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap;...

PYSEC-2026-3438 zeroconf: Unvalidated rdlength in record payload readers allows LAN-local cache corruption via crafted mDNS packet

Impact readcharacterstring and readstring in src/zeroconf/protocol/incoming.py sliced self.dataself.offset : self.offset + length and advanced self.offset by the declared length without checking it against self.datalen. Python's slice silently returns fewer bytes when the end index runs past the...

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-2026-2391 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-2026-2763 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-2026-2403 Bugsink: DOS using large numbers of event tags

Summary In affected versions, Bugsink stores every tag supplied with an incoming event. An event with an unusually large number of custom i.e. supplied by an attacker tags can therefore make ingestion spend more time than intended writing tag rows. Bugsink uses a single-writer database...

PYSEC-2026-3064 SGLang: Reachable Assertion via  lora_path  in LoRAManager enables remote Denial of Dervice

A security vulnerability has been detected in SGLang 0.5.10.post1. Impacted is an unknown function of the file python/sglang/srt/lora/loramanager.py of the component Inference HTTP Endpoint. Such manipulation of the argument lorapath leads to reachable assertion. The attack can be launched...

PYSEC-2026-2509 hermes-agent has an Injection issue

A security vulnerability has been detected in NousResearch hermes-agent up to 2026.4.23. Impacted is an unknown function of the file agent/skillsguard.py of the component Skills Guard Multi-Word Prompt Handler. The manipulation of the argument THREATPATTERNS leads to injection. Remote exploitatio...

PYSEC-2026-2663 ModelScope is vulnerable to arbitrary code injection via a crafted module

An issue was discovered in ModelScope 1.25.0 allowing attackers to execute arbitrary code via crafted module listed in the configuration file deymini.yaml under the key 'nnet''module'...

PYSEC-2026-2380 AstrBot: File upload vulnerability in the function post_file of the file astrbot/dashboard/routes/chat.py

A vulnerability was detected in AstrBotDevs AstrBot up to 4.23.5. Impacted is the function postfile of the file astrbot/dashboard/routes/chat.py of the component File Upload Handler. The manipulation of the argument filename results in path traversal. It is possible to launch the attack remotely...

PYSEC-2026-2470 ethyca-fides has a DOM-based XSS vulnerability in fides.js via fides_description override

Summary fides.js is the script that renders Fides's consent banner on customer websites. It lets the embedding page override the banner's description text at runtime via a URL query parameter, a JavaScript global, or a cookie. On sites that have opted into HTML-formatted descriptions, the...