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-2026-1468 OpenStack Ironic fails to verify checksums of supplied image_source URLs

In OpenStack Ironic before 21.4.4, 22.x and 23.x before 23.0.3, 23.x and 24.x before 24.1.3, and 25.x and 26.x before 26.1.0, there is a lack of checksum validation of supplied imagesource URLs when configured to convert images to a raw format for streaming...

PYSEC-2026-1709 OpenStack Nova vulnerable to unauthorized access to potentially sensitive data

In OpenStack Nova before 27.4.1, 28 before 28.2.1, and 29 before 29.1.1, by supplying a raw format image that is actually a crafted QCOW2 image with a backing file path or VMDK flat image with a descriptor file path, an authenticated user may convince systems to return a copy of the referenced...

PYSEC-2026-1708 OpenStack Cinder, Glance, and Nova vulnerable to arbitrary file access

An issue was discovered in OpenStack Cinder through 24.0.0, Glance before 28.0.2, and Nova before 29.0.3. Arbitrary file access can occur via custom QCOW2 external data. By supplying a crafted QCOW2 image that references a specific data file path, an authenticated user may convince systems to...

GHSA-C8M7-R2JV-RW63 EGroupware Vulnerable to Local File Inclusion via file:// URI in Mail Compose

Summary The function processes image URLs embedded in an HTML email body without validating or restricting URI schemes. The check !strstartswith$myUrl, 'http' evaluates to true for file:// URIs, causing filegetcontents$basedir . urldecode$myUrl to read arbitrary files from the server filesystem a...

External Control of File Name or Path

Overview egroupware/egroupware is a library that extends a classic groupware with an integrated CRM-system, a secure file-server and Collabora Online Office. Affected versions of this package are vulnerable to External Control of File Name or Path via the processURL2InlineImages process. An...

PYSEC-2026-1793 Pillow buffer overflow vulnerability

In imagingcms.c in Pillow before 10.3.0, a buffer overflow exists because strcpy is used instead of strncpy...

PYSEC-2026-1310 Docassemble open redirect

Impact It is possible to create a URL that acts as an open redirect. Patches The vulnerability has been patched in version 1.4.97 of the master branch. The Docker image on docker.io has been patched. Workarounds If upgrading is not possible, manually apply the changes of 4801ac7 and restart the...

PYSEC-2026-2003 vantage6 has insecure SSH configuration for node and server containers

Impact Nodes and servers get a ssh config by default that permits root login with password authentication. In a proper deployment, the SSH service is not exposed so there is no risk, but not all deployments are ideal. The default should therefore be less permissive. We will probably opt to...

PYSEC-2026-1312 DockerSpawner allows any image by default

Impact Users of JupyterHub deployments running DockerSpawner starting with 0.11.0 without specifying DockerSpawner.allowedimages configuration allow users to launch any pullable image, instead of restricting to only the single configured image, as intended. Patches Upgrade to DockerSpawner 13...

Zope vulnerable to Stored Cross Site Scripting with SVG images

ImpactThere is a stored cross site scripting vulnerability for SVG images.Note that an image tag with an SVG image as source is never vulnerable, even when the SVG image contains malicious code. To exploit the vulnerability, an attacker would first need to upload an image, and then trick a user...

PYSEC-2026-2077 Zope vulnerable to Stored Cross Site Scripting with SVG images

Impact There is a stored cross site scripting vulnerability for SVG images. Note that an image tag with an SVG image as source is never vulnerable, even when the SVG image contains malicious code. To exploit the vulnerability, an attacker would first need to upload an image, and then trick a user...

PYSEC-2026-2050 Domain restrictions bypass via DNS Rebinding in WireMock and WireMock Studio webhooks, proxy and recorder modes

Impact The proxy mode of WireMock, can be protected by the network restrictions configuration, as documented in Preventing proxying to and recording from specific target addresses. These restrictions can be configured using the domain names, and in such a case the configuration is vulnerable to t...

ScanCode.io command injection in docker image fetch process

Command Injection in docker fetch process SummaryA possible command injection in the docker fetch process as it allows to append malicious commands in the dockerreference parameter. DetailsIn the function scanpipe/pipes/fetch.py:fetchdockerimage1 the parameter dockerreference is user controllable...

PYSEC-2026-868 OpenStack Cinder, glance, and Nova vulnerable to Path Traversal

An issue was discovered in OpenStack Cinder before 19.1.2, 20.x before 20.0.2, and 21.0.0; Glance before 23.0.1, 24.x before 24.1.1, and 25.0.0; and Nova before 24.1.2, 25.x before 25.0.2, and 26.0.0. By supplying a specially created VMDK flat image that references a specific backing file path, a...

PYSEC-2026-951 Overflow in `ImageProjectiveTransformV2`

Impact When tf.rawops.ImageProjectiveTransformV2 is given a large output shape, it overflows. python import tensorflow as tf interpolation = "BILINEAR" fillmode = "REFLECT" images = tf.constant0.184634328, shape=2,5,8,3, dtype=tf.float32 transforms = tf.constant0.378575385, shape=2,8,...

PYSEC-2026-975 TensorFlow vulnerable to `CHECK` fail in `LRNGrad`

Impact If LRNGrad is given an outputimage input tensor that is not 4-D, it results in a CHECK fail that can be used to trigger a denial of service attack. python import tensorflow as tf depthradius = 1 bias = 1.59018219 alpha = 0.117728651 beta = 0.404427052 inputgrads = tf.random.uniformshape=4,...

Important: Red Hat Security Advisory: Assisted Installer RHEL 8 components for Multicluster Engine for Kubernetes 2.6.12

Assisted installer RHEL 8 components for the multicluster engine for Kubernetes 2.6.12 General Availability release, with updates to container images. Assisted Installer RHEL 8 integrates components for the general multicluster engine for Kubernetes 2.6.12 release that simplify the process of...

CVE-2026-58384 Gimp: gimp: integer overflow in read_rle_channel()

A flaw was found in GIMP's PSD parser. An integer overflow in readRLEchannel can cause an undersized heap allocation for the RLE row-length table, after which subsequent per-row writes corrupt heap memory. This could lead to memory corruption, potentially resulting in denial of service or arbitra...

firefox: thunderbird: Denial-of-service in the Graphics: ImageLib component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Denial-of-service in the Graphics: ImageLib component...