PYSEC-2021-506

TensorFlow is an end-to-end open source platform for machine learning. The implementation of tf.rawops.FractionalAvgPoolGrad is vulnerable to a heap buffer overflow. The...

PYSEC-2021-498

TensorFlow is an end-to-end open source platform for machine learning. The implementation of tf.rawops.MaxPoolGradWithArgmax can cause reads outside of bounds of heap allocated data if attacker supplies specially crafted inputs. The...

PYSEC-2021-502

TensorFlow is an end-to-end open source platform for machine learning. The implementation of tf.rawops.MaxPool3DGradGrad exhibits undefined behavior by dereferencing null pointers backing attacker-supplied empty tensors. The...

PYSEC-2021-477

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a runtime division by zero error and denial of service in tf.rawops.QuantizedBatchNormWithGlobalNormalization. This is because the...

PYSEC-2021-545

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a denial of service via CHECK-fail in tf.strings.substr with invalid arguments. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3,...

PYSEC-2021-546

TensorFlow is an end-to-end open source platform for machine learning. Passing a complex argument to tf.transpose at the same time as passing conjugate=True argument results in a crash. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFl...

PYSEC-2021-10

A SQL Injection issue in the SQL Panel in Jazzband Django Debug Toolbar before 1.11.1, 2.x before 2.2.1, and 3.x before 3.2.1 allows attackers to execute SQL statements by changing the rawsql input field of the SQL explain, analyze, or select form...

PYSEC-2021-25

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.28.0 requests to user provided domains were not restricted to external IP addresses when transitional IPv6...

PYSEC-2021-9

In Django 2.2 before 2.2.18, 3.0 before 3.0.12, and 3.1 before 3.1.6, the django.utils.archive.extract method used by "startapp --template" and "startproject --template" allows directory traversal via an archive with absolute paths or relative paths with dot segments...

PYSEC-2020-236

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...

PYSEC-2020-281

In Tensorflow before version 2.3.1, the RaggedCountSparseOutput implementation does not validate that the input arguments form a valid ragged tensor. In particular, there is no validation that the values in the splits tensor generate a valid partitioning of the values tensor. Hence, the code is...

PYSEC-2020-180

A flaw was found in the solariszone module from the Ansible Community modules. When setting the name for the zone on the Solaris host, the zone name is checked by listing the process with the 'ps' bare command on the remote machine. An attacker could take advantage of this flaw by crafting the na...

PYSEC-2020-77

In libImaging/PcxDecode.c in Pillow before 7.1.0, an out-of-bounds read can occur when reading PCX files where state-shuffle is instructed to read beyond state-buffer...

PYSEC-2020-214

Twisted before 16.3.1 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI applications from the presence of untrusted client data in the HTTPPROXY environment variable, which might allow remote attackers to redirect a CGI application's outbou...

PYSEC-2019-209

In TensorFlow before 1.15, a heap buffer overflow in UnsortedSegmentSum can be produced when the Index template argument is int32. In this case datasize and numsegments fields are truncated from int64 to int32 and can produce negative numbers, resulting in accessing out of bounds heap memory. Thi...

PYSEC-2019-98

A flaw was found in IPA, all 4.6.x versions before 4.6.7, all 4.7.x versions before 4.7.4 and all 4.8.x versions before 4.8.3, in the way the internal function berscanf was used in some components of the IPA server, which parsed kerberos key data. An unauthenticated attacker who could trigger...

PYSEC-2019-32

Eval injection in the Math plugin of Limnoria before 2019.11.09 and Supybot through 2018-05-09 allows remote unprivileged attackers to disclose information or possibly have unspecified other impact via the calc and icalc IRC commands...

PYSEC-2019-213

The unoconv package before 0.9 mishandles untrusted pathnames, leading to SSRF and local file inclusion...

PYSEC-2019-236

An issue was discovered in py-lmdb 0.97. For certain values of mdflags, mdbnodeadd does not properly set up a memcpy destination, leading to an invalid write operation. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker...

PYSEC-2019-120

scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: RADIUSAttrPacketListField.getfieldself... The attack vector is: over the network or in a pcap. both work...

PYSEC-2019-49

SaltStack Salt 2018.3, 2019.2 is affected by: SQL Injection. The impact is: An attacker could escalate privileges on MySQL server deployed by cloud provider. It leads to RCE. The component is: The mysql.userchpass function from the MySQL module for Salt. The attack vector is: specially crafted...

PYSEC-2019-164

aubio v0.4.0 to v0.4.8 has a newaubioonset NULL pointer dereference...

PYSEC-2019-91

An issue was discovered in Donfig 0.3.0. There is a vulnerability in the collectyaml method in configobj.py. It can execute arbitrary Python commands, resulting in command execution...

PYSEC-2019-77

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-2018-82

There is a vulnerability in load method in definitions/parser.py in the Danijar Hafner definitions package for Python. It can execute arbitrary python commands resulting in command execution...

PYSEC-2018-77

The client in Tryton 5.x before 5.0.1 tries to make a connection to the bus in cleartext instead of encrypted under certain circumstances in bus.py and jsonrpc.py. This connection attempt fails, but it contains in the header the current session of the user. This session could then be stolen by a...

PYSEC-2018-27

qutebrowser before version 1.4.1 is vulnerable to a cross-site request forgery flaw that allows websites to access 'qute://' URLs. A malicious website could exploit this to load a 'qute://settings/set' URL, which then sets 'editor.command' to a bash script, resulting in arbitrary code execution...

PYSEC-2017-107

Apache Atlas versions 0.6.0-incubating and 0.7.0-incubating were found vulnerable to Stored Cross-Site Scripting in the edit-tag functionality...

PYSEC-2017-110

Error responses from Apache Atlas versions 0.6.0-incubating and 0.7.0-incubating included stack trace, exposing excessive information...

PYSEC-2017-24

In PyJWT 1.5.0 and below the invalidstrings check in HMACAlgorithm.preparekey does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed because it is prefaced with the string -----BEGIN RSA PUBLIC KEY----- which is not accounted for. This enable...

PYSEC-2017-100

Cross-site scripting XSS vulnerability in Cherry Music before 0.36.0 allows remote authenticated users to inject arbitrary web script or HTML via the playlistname field when creating a new playlist...

PYSEC-2016-9

Pillow before 3.3.2 allows context-dependent attackers to execute arbitrary code by using the "crafted image file" approach, related to an "Insecure Sign Extension" issue affecting the ImagingNew in Storage.c component...

PYSEC-2016-25

flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect...

PYSEC-2016-40

Tryton 3.x before 3.2.17, 3.4.x before 3.4.14, 3.6.x before 3.6.12, 3.8.x before 3.8.8, and 4.x before 4.0.4 allow remote authenticated users to discover user password hashes via unspecified vectors...

PYSEC-2016-16

The password hasher in contrib/auth/hashers.py in Django before 1.8.10 and 1.9.x before 1.9.3 allows remote attackers to enumerate users via a timing attack involving login requests...

PYSEC-2015-11

The getformat function in utils/formats.py in Django before 1.7.x before 1.7.11, 1.8.x before 1.8.7, and 1.9.x before 1.9rc2 might allow remote attackers to obtain sensitive application secrets via a settings key in place of a date/time format setting, as demonstrated by SECRETKEY...

PYSEC-2013-44

OpenStack Compute Nova Grizzly, Folsom 2012.2, and Essex 2012.1 does not properly implement a quota for fixed IPs, which allows remote authenticated users to cause a denial of service resource exhaustion and failure to spawn new instances via a large number of calls to the addFixedIp function...

PYSEC-2012-15

Paste Script 1.7.5 and earlier does not properly set group memberships during execution with root privileges, which might allow remote attackers to bypass intended file-access restrictions by leveraging a web application that uses the local filesystem...

PYSEC-2011-29

The password reset functionality in django.contrib.auth in Django before 1.1.3, 1.2.x before 1.2.4, and 1.3.x before 1.3 beta 1 does not validate the length of a string representing a base36 timestamp, which allows remote attackers to cause a denial of service resource consumption via a URL that...

PYSEC-2009-8

Unspecified vulnerability in Zope Object Database ZODB before 3.8.2, when certain Zope Enterprise Objects ZEO database sharing is enabled, allows remote attackers to execute arbitrary Python code via vectors involving the ZEO network protocol...

PYSEC-2008-8

common.py in Paramiko 1.7.1 and earlier, when using threads or forked processes, does not properly use RandomPool, which allows one session to obtain sensitive information from another session by predicting the state of the pool...

PYSEC-2006-10

Withdrawn as duplicate of PYSEC-2006-6. Unspecified vulnerability in PlonePAS in Plone 2.5 and 2.5.1, when anonymous member registration is enabled, allows an attacker to "masquerade as a group."...

PYSEC-2026-4032 Decepticon: Role-boundary forgery via ChatML special-token literals in web crawl output composed into LLM context

Summary Decepticon wraps web crawl results — the output of agent reconnaissance against target services — into LLM messages without neutralizing ChatML special-token literals. Under the BYOK Bring Your Own Key deployment model, users configure their own LLM credentials to any OpenAI-compatible...

PYSEC-2026-4063 lightrag-hku: Sensitive Information Exposure Through Raw Exception Messages in API Error Responses

Summary The LightRAG API server passes raw Python exception messages directly into HTTP error responses across 30+ error handlers in every router. When combined with the default unauthenticated configuration see companion report on CWE-306, any network-reachable client can trigger exceptions whos...

PYSEC-2026-4094 MCP Atlassian: OAuth fallback token storage writes plaintext access and refresh tokens with group-readable permissions

Summary When OAuth tokens are saved, MCP Atlassian always writes a plaintext fallback copy under /.mcp-atlassian/oauth-.json. The fallback file is created with the process default umask rather than restrictive permissions. In this environment the file was created as mode 0664, exposing access and...

PYSEC-2026-4099 MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of GHSA-xjgw-4wvw-rgm4)

Summary mcp-atlassian exposes an MCP tool confluenceuploadattachment whose filepath argument is passed directly to openfilepath, "rb" without any path validation. An attacker able to invoke the tool can read arbitrary files readable by the server process and exfiltrate them into a multipart uploa...

PYSEC-2026-4109 MySQL MCP Server: Missing Origin/Host Validation in SSE Transport Enables Unauthenticated SQL Execution (DNS Rebinding / Direct Exposure)

Summary In SSE/HTTP transport mode, mysqlmcpserver constructs SseServerTransport without passing securitysettings. As a result, the MCP Python SDK's DNS-rebinding protection Origin/Host header validation is disabled; the Starlette application has no CORS or TrustedHost middleware; and the service...

PYSEC-2026-3922 SQLAdmin: Unvalidated sortBy parameter in `ModelView` bypasses `column_sortable_list`

Summary ModelView.sortquery uses the attacker-controlled sortBy list-view query parameter without checking it against the configured columnsortablelist allow-list. The value is resolved with getattrmodel, ... and fed into relationship joins and orderby, so a request can sort by any column of the...

PYSEC-2026-3834 ESPHome Device Builder Dashboard: Unauthenticated dashboard access via the HA add-on ingress site bound to all interfaces

Summary On the Home Assistant add-on, the dashboard serves a trusted ingress site that skips authentication because the supervisor authenticates the request upstream. That site was binding 0.0.0.0. The add-on runs in host network mode for mDNS, so binding all interfaces also bound the host's LAN...

PYSEC-2026-3845 HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

Summary httpcore2 does not start TLS for wss:// connections routed through a SOCKS5 proxy. The WebSocket opening handshake and all subsequent frames are sent in plaintext through the proxy path, despite the caller selecting the secure wss scheme. The transport flaw affects httpcore2 releases befo...