PYSEC-2026-697 Integer Overflow or Wraparound in OpenCV

In opencv/modules/imgcodecs/src/grfmtpxm.cpp, function ReadNumber did not checkout the input length, which lead to integer overflow. If the image is from remote, may lead to remote code execution or denial of service. This affects OpenCV 3.3 corresponding with OpenCV-Python version 3.3.0.9 and...

PYSEC-2026-711 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

OpenCV 3.3.1 corresponding with opencv-python and opencv-contrib-python 3.3.1.11 has a Buffer Overflow in the cv::PxMDecoder::readData function in grfmtpxm.cpp, because an incorrect size value is used...

PYSEC-2026-712 Integer Overflow or Wraparound in OpenCV.

In opencv/modules/imgcodecs/src/utils.cpp, functions FillUniColor and FillUniGray do not check the input length, which can lead to integer overflow. If the image is from remote, may lead to remote code execution or denial of service. This affects Opencv 3.3 corresponding with OpenCV-Python 3.3.0....

PYSEC-2026-722 Divide By Zero in OpenCV.

An issue was discovered in OpenCV 4.1.0 OpenCV-Python 4.1.0.25. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in modules/objdetect/src/hog.cpp...

PYSEC-2026-721 Out-of-bounds Read and Out-of-bounds Write in OpenCV

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26. There is an out of bounds read/write in the function HaarEvaluator::OptFeature::calc in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service...

PYSEC-2026-703 Reachable Assertion in OpenCV.

In OpenCV 3.3.1 corresponds with OpenCV-Python 3.3.1.11, an assertion failure happens in cv::RBaseStream::setPos in modules/imgcodecs/src/bitstrm.cpp because of an incorrect integer cast...

PYSEC-2026-700 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library 3.3 corresponding to OpenCV-Python 3.3.0.9 has an out-of-bounds write error in the function FillColorRow1 in utils.cpp when reading an image file by using cv::imread. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-12597...

PYSEC-2026-720 Out-of-bounds Read in OpenCV

An issue was discovered in OpenCV before 3.4.7 and 4.x before 4.1.1 OpenCV-Python before 3.4.7.28 and 4.x before 4.1.1.26. There is an out of bounds read in the function cv::predictOrdered in modules/objdetect/src/cascadedetect.hpp, which leads to denial of service...

PYSEC-2026-713 Denial of Service in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python 3.3.0.9 has a denial of service memory consumption issue, as demonstrated by the 10-opencv-dos-memory-exhaust test case...

PYSEC-2026-716 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python 3.3.0.9 has a buffer overflow in the cv::BmpDecoder::readData function in modules/imgcodecs/src/grfmtbmp.cpp when reading an image file by using cv::imread, as demonstrated by the 4-buf-overflow-readData-memcpy...

PYSEC-2026-699 Improper Restriction of Operations within the Bounds of a Memory Buffer in OpenCV

In modules/imgcodecs/src/grfmtpxm.cpp, the length of buffer AutoBuffer src is small than expected, which will cause copy buffer overflow later. If the image is from remote, may lead to remote code execution or denial of service. This affects OpenCV 3.3 corresponding to OpenCV-Python 3.3.0.9 and...

PYSEC-2026-709 Denial of Service in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python 3.3.0.9 has a denial of service CPU consumption issue, as demonstrated by the 11-opencv-dos-cpu-exhaust test case...

PYSEC-2026-701 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an invalid write in the cv::RLByteStream::getBytes function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the...

PYSEC-2026-706 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the FillUniColor function in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-714 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the FillColorRow8 function in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-715 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python and OpenCV-Contrib-Python 3.3.0.9 has an out-of-bounds write error in the function FillColorRow4 in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-717 Integer Overflow or Wraparound in OpenCV

In opencv/modules/imgcodecs/src/grfmtpxm.cpp, function PxMDecoder::readData has an integer overflow when calculate srcpitch. If the image is from remote, may lead to remote code execution or denial of service. This affects OpenCV 3.3 corresponding to OpenCV-Python 3.3.0.9 and earlier...

PYSEC-2026-710 Out-of-bounds Read in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python 3.3.0.9 has an out-of-bounds read error in the function icvCvtBGRA2BGR8uC4C3R when reading an image file by using cv::imread...

PYSEC-2026-747 Missing Authentication for Critical Function in Saleor

An issue was discovered in Mirumee Saleor 2.x before 2.9.1. Incorrect access control in the checkoutCustomerAttach mutations allows attackers to attach their checkouts to any user ID and consequently leak user data e.g., name, address, and previous orders of any other customer...

PYSEC-2026-698 Out-of-bounds Read in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to OpenCV-Python 3.3.0.9 has an out-of-bounds read error in the cv::RBaseStream::readBlock function in modules/imgcodecs/src/bitstrm.cpp when reading an image file by using cv::imread, as demonstrated by the...

PYSEC-2026-688 JupyterLab: XSS due to lack of sanitization of the action attribute of an html <form>

Impact Untrusted notebook can execute code on load. This is a remote code execution, but requires user action to open a notebook. Patches Patched in the following versions: 3.1.4, 3.0.17, 2.3.2, 2.2.10, 1.2.21. References OWASP Page on Restricting Form Submissions For more information If you have...

PYSEC-2026-751 Temporary urls leaked via logging

In OpenStack Swift prior to 2.15.2, the proxy-server logs full tempurl paths, potentially leaking reusable tempurl signatures to anyone with read access to these logs. All Swift deployments using the tempurl middleware are affected...

PYSEC-2026-704 Out-of-bounds Write in OpenCV

OpenCV Open Source Computer Vision Library through 3.3 corresponding to opencv-python and opencv-contrib-python through 3.3.0.9 has an out-of-bounds write error in the function FillColorRow1 in utils.cpp when reading an image file by using cv::imread...

PYSEC-2026-626 Cross-site scripting in Contentful

Contentful through 2020-05-21 for Python allows reflected XSS, as demonstrated by the api parameter to the-example-app.py...

PYSEC-2026-708 Improper Input Validation in OpenCV

OpenCV 3.0.0 allows remote attackers to cause a denial of service segfault via vectors involving corrupt chunks. This issue was fixed in OpenCV version 3.3.1 corresponding to OpenCV 3.3.1.11...

PYSEC-2026-735 Improper Restriction of XML External Entity Reference in Plone

Plone before 5.2.3 allows XXE attacks via a feature that is protected by an unapplied permission of plone.schemaeditor.ManageSchemata therefore, only available to the Manager role...

PYSEC-2026-707 Double Free in OpenCV

OpenCV 3.0.0 has a double free issue that allows attackers to execute arbitrary code. This issue was fixed in OpenCV version 3.3.1 corresponding to OpenCV-Python and and OpenCV-Contrib-Python 3.3.1.11...

PYSEC-2026-628 XSS in jQuery as used in Drupal, Backdrop CMS, and other products

jQuery from 1.1.4 until 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extendtrue, , ... because of Object.prototype pollution. If an unsanitized source object contained an enumerable proto property, it could extend the native Object.prototype...

PYSEC-2026-684 Memory leak in Nanopb

Impact Decoding specifically formed message can leak memory if dynamic allocation is enabled and an oneof field contains a static submessage that contains a dynamic field, and the message being decoded contains the submessage multiple times. This is rare in normal messages, but it is a concern wh...

PYSEC-2026-661 Moderate severity vulnerability that affects mailman

An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site...

PYSEC-2026-647 Open Redirect vulnerability in jupyterhub and notebook

An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.8 and some browsers Chrome, Firefox in JupyterHub before 0.9.6 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a baseurl prefix are not affecte...

PYSEC-2026-764 High severity vulnerability that affects Plone and Zope2

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 vulnerability." NOTE: this vulnerability...

PYSEC-2026-737 SSRF attacks via tracebacks in Plone

Plone before 5.2.3 allows SSRF attacks via the tracebacks feature only available to the Manager role...

PYSEC-2026-736 Improper Restriction of XML External Entity Reference in Plone

Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only available to the Manager role...

PYSEC-2026-617 Apache Airflow vulnerable to XSS and local file disclosure

A malicious admin user could edit the state of objects in the Airflow metadata database to execute arbitrary javascript on certain page views. This also presented a Local File Disclosure vulnerability to any file readable by the webserver process...

PYSEC-2026-739 Moderate severity vulnerability that affects Products.PlonePAS

The PlonePAS product 3.x before 3.9 and 3.2.x before 3.2.2, a product for Plone, does not properly handle the login form, which allows remote authenticated users to acquire the identity of an arbitrary user via unspecified vectors...

PYSEC-2026-765 Moderate severity vulnerability that affects Zope2

Cross-site scripting XSS vulnerability in Zope 2.8.x before 2.8.12, 2.9.x before 2.9.12, 2.10.x before 2.10.11, 2.11.x before 2.11.6, and 2.12.x before 2.12.3 allows remote attackers to inject arbitrary web script or HTML via vectors related to error messages...

PYSEC-2026-611 Malicious code in uprobe (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of uprobe were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...

PYSEC-2026-616

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, reflected cross-site scripting XSS vulnerability exists on the dynamic image URL generator view within the Wagtail admin interface. A user with a limited-permission editor account for...

PYSEC-2026-612

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, the Documents and Images chooser's chosen endpoint incorrectly listed items for which the user has not been granted choose permission. A user with access to the Wagtail admin could se...

PYSEC-2026-614

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not...

PYSEC-2026-613

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, an authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not...

PYSEC-2026-615

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, a low-level user with the "Can submit translation" permission can create translations for any page, including those they do not have permissions for. This issue has been fixed in...

PYSEC-2026-610 Malicious code in ufish (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of ufish were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...

PYSEC-2026-609 Malicious code in synago (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of synago were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...

PYSEC-2026-608 Malicious code in pantheon-toolsets (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of pantheon-toolsets were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentia...

PYSEC-2026-607 Malicious code in pantheon-agents (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of pantheon-agents were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials...

PYSEC-2026-606 Malicious code in okite (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of okite were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...

PYSEC-2026-605 Malicious code in nucbox (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of nucbox were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...

PYSEC-2026-2179

Gradio before 6.16.0 contain a path traversal vulnerability in the FileExplorer component's preprocess method that allows unauthenticated attackers to escape the configured root directory by supplying path segments containing directory traversal sequences or absolute paths. Attackers can provide...