PYSEC-2026-1501 Koji Cross-site Scripting

A vulnerability in Koji was found. An unsanitized input allows for an XSS attack. Javascript code from a malicious link could be reflected in the resulting web page. It is not expected to be able to submit an action or make a change in Koji due to existing XSS protections in the code...

PYSEC-2026-1855 python-sql SQL injection vulnerability

A vulnerability was found in python-sql where unary operators do not escape non-Expression like And and Or which makes any system exposing those vulnerable to an SQL injection attack...

PYSEC-2026-1472 Jinja has a sandbox breakout through malicious filenames

A bug in the Jinja compiler allows an attacker that controls both the content and filename of a template to execute arbitrary Python code, regardless of if Jinja's sandbox is used. To exploit the vulnerability, an attacker needs to control both the filename and the contents of a template. Whether...

PYSEC-2026-1923 sigstore has insufficient validation of integration timestamp during verification

Summary Versions of sigstore-python newer than 2.0.0 but prior to 3.6.0 perform insufficient validation of the "integration time" present in "v2" and "v3" bundles during the verification flow: the "integration time" is verified if a source of signed time such as an inclusion promise is present, b...

PYSEC-2026-1993 unstructured XML External Entity (XXE)

unstructured v.0.14.2 and before is vulnerable to XML External Entity XXE via the XMLParser...

PYSEC-2026-1320 D-Tale allows Remote Code Execution through the Custom Filter Input

Impact Users hosting D-Tale publicly can be vulnerable to remote code execution allowing attackers to run malicious code on the server. Patches Users should upgrade to version 3.16.1 where the update-settings endpoint blocks the ability for users to update the enablecustomfilters flag. You can fi...

PYSEC-2026-2073 Python package "zhmcclient" stores passwords in clear text in its HMC and API logs

Impact The Python package "zhmcclient" writes password-like properties in clear text into its HMC and API logs in the following cases: The 'boot-ftp-password' and 'ssc-master-pw' properties when creating or updating a partition in DPM mode, in the zhmcclient API and HMC logs The 'ssc-master-pw' a...

PYSEC-2026-1615 Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders

Impact In Synapse versions before 1.120.1, enabling the dynamicthumbnails option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing. This significantly expands...

PYSEC-2026-1814 PyJWT Issuer field partial matches allowed

Summary The wrong string if check is run for iss checking, resulting in "acb" being accepted for "abc". Details This is a bug introduced in version 2.10.0: checking the "iss" claim changed from isinstanceissuer, list to isinstanceissuer, Sequence. diff - if isinstanceissuer, list: + if...

PYSEC-2026-1666 Mobile Security Framework (MobSF) Stored Cross-Site Scripting Vulnerability in "Diff or Compare" Functionality

Summary The application allows users to upload files with scripts in the filename parameter. As a result, a malicious user can upload a script file to the system. When users in the application use the "Diff or Compare" functionality, they are affected by a Stored Cross-Site Scripting vulnerabilit...

PYSEC-2026-1165 Apache Superset: Improper SQL authorisation, parse not checking for specific postgres functions

Improper Neutralization of Special Elements used in an SQL Command 'SQL Injection' vulnerability in Apache Superset. Specifically, certain engine-specific functions are not checked, which allows attackers to bypass Apache Superset's SQL authorization. This issue is a follow-up to CVE-2024-39887...

PYSEC-2026-1154 Apache Superset: Error verbosity exposes metadata in analytics databases

Generation of Error Message Containing analytics metadata Information in Apache Superset. This issue affects Apache Superset: before 4.1.0. Users are recommended to upgrade to version 4.1.0, which fixes the issue...

PYSEC-2026-1842 pyspider Cross-Site Request Forgery (CSRF) via the Flask endpoints

binux pyspider up to v0.3.10 was discovered to contain a Cross-Site Request Forgery CSRF via the Flask endpoints...

PYSEC-2026-1156 Apache Superset: Lower privilege users are able to create Role when FAB_ADD_SECURITY_API is enabled

Improper Authorization vulnerability in Apache Superset when FABADDSECURITYAPI is enabled disabled by default. Allows for lower privilege users to use this API. issue affects Apache Superset: from 2.0.0 before 4.1.0. Users are recommended to upgrade to version 4.1.0, which fixes the issue...

PYSEC-2026-1611 Synapse allows a a malformed invite to break the invitee's `/sync`

Impact Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Patches Synapse 1.120.1 rejects such invalid invites received ov...

PYSEC-2026-1851 Denial of service (DoS) via deformation `multipart/form-data` boundary

Summary When parsing form data, python-multipart skips line breaks CR \r or LF \n in front of the first boundary and any tailing bytes after the last boundary. This happens one byte at a time and emits a log event each time, which may cause excessive logging for certain inputs. An attacker could...

PYSEC-2026-1613 Synapse allows unsupported content types to lead to memory exhaustion

Impact In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Patches Synapse 1.120.1 resolves the issue by denying...

PYSEC-2026-1610 Synapse Matrix has a partial room state leak via Sliding Sync

Impact The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. Patches Synapse version 1.120.1 fixes the problem. Workarounds Disable Sliding Sync. References...

PYSEC-2026-1944 Litestar allows unbounded resource consumption (DoS vulnerability)

Summary Litestar offers multiple methods to return a parsed representation of the request body, as well as extractors that rely on those parsers to map request content to structured data types. Multiple of those parsers do not have size limits when reading the request body into memory, which allo...

PYSEC-2026-1537 libre-chat Path Traversal vulnerability

An issue in the uploaddocuments method of libre-chat v0.0.6 allows attackers to execute a path traversal via supplying a crafted filename in an uploaded file...

PYSEC-2026-1349 Password Policy Bypass Vulnerability in Fides Webserver User Accept Invite API

Summary The user invite acceptance API endpoint lacks server-side password policy enforcement, allowing users to set arbitrarily weak passwords by bypassing client-side validation. While the UI enforces password complexity requirements, direct API calls can circumvent these checks, enabling the...

PYSEC-2026-1096 aiohttp has a memory leak when middleware is enabled when requesting a resource with a non-allowed method

Summary A memory leak can occur when a request produces a MatchInfoError. This was caused by adding an entry to a cache on each request, due to the building of each MatchInfoError producing a unique cache entry. Impact If the user is making use of any middlewares with aiohttp.web then it is...

PYSEC-2026-1303 django CMS Attributes Field Cross-site Scripting

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in django CMS Association django CMS Attributes Fields allows Stored XSS.This issue affects django CMS Attributes Fields: before 4.0...

PYSEC-2026-1298 Django Filer Unrestricted Upload of File with Dangerous Type

Unrestricted Upload of File with Dangerous Type, Improper Input Validation, Improper Neutralization of Script-Related HTML Tags in a Web Page Basic XSS vulnerability in django CMS Association django Filer allows Input Data Manipulation, Stored XSS.This issue affects django Filer: from 3 before 3....

PYSEC-2026-1843 pyspider Cross-site Scripting vulnerability

pyspider through 0.3.10 allows /update XSS. NOTE: This vulnerability only affects products that are no longer supported by the maintainer...

PYSEC-2026-1245 check-jsonschema default caching for remote schemas allows for cache confusion

Impact The default cache strategy uses the basename of a remote schema as the name of the file in the cache, e.g. https://example.org/schema.json will be stored as schema.json. This naming allows for conflicts. If an attacker can get a user to run check-jsonschema against a malicious schema URL,...

PYSEC-2026-1103 aiohttp allows request smuggling due to incorrect parsing of chunk extensions

Summary The Python parser parses newlines in chunk extensions incorrectly which can lead to request smuggling vulnerabilities under certain conditions. Impact If a pure Python version of aiohttp is installed i.e. without the usual C extensions or AIOHTTPNOEXTENSIONS is enabled, then an attacker m...

PYSEC-2026-1693 OpenStack Neutron can use an incorrect ID during policy enforcement

In OpenStack Neutron before 25.0.1, neutron/extensions/tagging.py can use an incorrect ID during policy enforcement. It does not apply the proper policy check for changing network tags. An unprivileged tenant is able to change add and clear tags on network objects that do not belong to the tenant...

PYSEC-2026-1575 LLama Factory Remote OS Command Injection Vulnerability

Summary A critical remote OS command injection vulnerability has been identified in the Llama Factory training process. This vulnerability arises from improper handling of user input, allowing malicious actors to execute arbitrary OS commands on the host system. The issue is caused by insecure...

PYSEC-2026-1975 Tornado has an HTTP cookie parsing DoS vulnerability

The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing maliciously-crafted cookie headers. This parsing occurs in the event loop thread and may block the processing of other requests. See...

PYSEC-2026-1134 Apache Airflow vulnerable to Insertion of Sensitive Information Into Sent Data

Airflow versions before 2.10.3 have a vulnerability that allows authenticated users with audit log access to see sensitive values in audit logs which they should not see. When sensitive variables were set via airflow CLI, values of those variables appeared in the audit log and were stored...

PYSEC-2026-1123 Ansible-Core vulnerable to content protections bypass

A flaw was found in Ansible-Core. This vulnerability allows attackers to bypass unsafe content protections using the hostvars object to reference and execute templated content. This issue can lead to arbitrary code execution if remote data or module outputs are improperly templated within playboo...

PYSEC-2026-1853 OpenStack improperly deletes access rules

A flaw was found in OpenStack. When a user tries to delete a non-existing access rule in it's scope, it deletes other existing access rules which are not associated with any application credentials...

PYSEC-2026-1236 Cross-site Scripting (XSS) - DOM in janeczku/calibre-web

A Cross-site Scripting XSS vulnerability exists in janeczku/calibre-web, specifically in the file editbooks.js. The vulnerability occurs when editing book properties, such as uploading a cover or a format. The affected code directly inserts user input into the DOM without proper sanitization,...

PYSEC-2026-2070 Missing ratelimit on passwrod resets in zenml

zenml-io/zenml version 0.56.4 is vulnerable to an account takeover due to the lack of rate-limiting in the password change function. An attacker can brute-force the current password in the 'Update Password' function, allowing them to take over the user's account. This vulnerability is due to the...

PYSEC-2026-1403 ReDoS in giskard's transformation.py (GHSL-2024-324)

ReDoS in Giskard text perturbation detector A Remote Code Execution ReDoS vulnerability was discovered in Giskard component by the GitHub Security Lab team. When processing datasets with specific text patterns with Giskard detectors, this vulnerability could trigger exponential regex evaluation...

PYSEC-2026-1239 changedetection.io path traversal using file URI scheme without supplying hostname

Summary The validation for the file URI scheme falls short, and results in an attacker being able to read any file on the system. This issue only affects instances with a webdriver enabled, and ALLOWFILEURI false or not defined. Details The check used for URL protocol, issafeurl, allows file: as ...

PYSEC-2026-1892 Salt preflight script could be attacker controlled

The Salt-SSH pre-flight option copies the script to the target at a predictable path, which allows an attacker to force Salt-SSH to run their script. If an attacker has access to the target VM and knows the path to the pre-flight script before it runs they can ensure Salt-SSH runs their script wi...

PYSEC-2026-1121 ansible-core Incorrect Authorization vulnerability

A flaw was found in Ansible. The ansible-core user module can allow an unprivileged user to silently create or replace the contents of any file on any system path and take ownership of it when a privileged user executes the user module against the unprivileged user's home directory. If the...

PYSEC-2026-1112 Apache Airflow: Sensitive configuration values are not masked in the logs by default

Apache Airflow versions before 2.10.3 contain a vulnerability that could expose sensitive configuration variables in task logs. This vulnerability allows DAG authors to unintentionally or intentionally log sensitive configuration variables. Unauthorized users could access these logs, potentially...

PYSEC-2026-1229 Improper Access Control in janeczku/calibre-web

An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the createshelf method in shelf.py not verifying if the user has the necessary permissions to create a...

PYSEC-2026-1232 Generation of Error Message Containing Sensitive Information in janeczku/calibre-web

A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users. This issue occurs in the file shelf.py at line 221, where the name of the shelf is exposed in an error message when a user attempts to remove a book from a shelf they d...

PYSEC-2026-2076 Access control vulnerable to user data deletion by anonynmous users

Impact Anonymous users can delete the user data maintained by an AccessControl.userfolder.UserFolder which may prevent any privileged access. Patches The problem is fixed in version 7.2. Workarounds The problem can be fixed by adding dataroles = to AccessControl.userfolder.UserFolder. References...

PYSEC-2026-1860 Werkzeug possible resource exhaustion when parsing file data in forms

Applications using Werkzeug to parse multipart/form-data requests are vulnerable to resource exhaustion. A specially crafted form body can bypass the Request.maxformmemorysize setting. The Request.maxcontentlength setting, as well as resource limits provided by deployment software and platforms,...

PYSEC-2026-1523 Langflow vulnerable to remote code execution

langflow =1.0.18 is vulnerable to Remote Code Execution RCE as any component provided the code functionality and the components run on the local machine rather than in a sandbox...

PYSEC-2026-1408 gradio Server Side Request Forgery vulnerability

In gradio =4.42.0, the gr.DownloadButton function has a hidden server-side request forgery SSRF vulnerability. The reason is that within the saveurltocache function, there are no restrictions on the URL, which allows access to local target resources. This can lead to the download of local resourc...

PYSEC-2026-1685 MySQL Connector/Python connector takeover vulnerability

Vulnerability in the MySQL Connectors product of Oracle MySQL component: Connector/Python. Supported versions that are affected are 9.0.0 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Connectors...

PYSEC-2026-1681 MPXJ has a Potential Path Traversal Vulnerability

Impact The patch for the historical vulnerability CVE-2020-35460 in MPXJ is incomplete as there is still a possibility that a malicious path could be constructed which would not be picked up by the original fix and allow files to be written to arbitrary locations. Patches The issue is addressed i...

PYSEC-2026-1240 changedetection.io Path Traversal

Summary When a WebDriver is used to fetch files source:file:///etc/passwd can be used to retrieve local system files, where the more traditional file:///etc/passwd gets blocked Details The root cause is the payload source:file:///etc/passwdpasses the regex here and also passes the check here wher...

PYSEC-2026-1721 open-webui allows writing and deleting arbitrary files

In version v0.3.8 of open-webui/open-webui, the endpoint /api/pipelines/upload is vulnerable to arbitrary file write and delete due to unsanitized file.filename concatenation with CACHEDIR. This vulnerability allows attackers to overwrite and delete system files, potentially leading to remote cod...