PT-2026-51593

Name of the Vulnerable Software and Affected Versions Spring Statemachine versions 4.0.0 through 4.0.1 Spring Statemachine versions 3.2.0 through 3.2.4 Description Kryo-based persistence backends, including JPA, MongoDB, Redis, and ZooKeeper, deserialize persisted state-machine contexts without...

[SECURITY] Fedora 44 Update: perl-Crypt-PBKDF2-0.261630-1.fc44

PBKDF2 is a secure password hashing algorithm that uses the techniques of "key strengthening" to make the complexity of a brute-force attack arbitrarily hig h. PBKDF2 uses any other cryptographic hash or cipher by convention, usually HMAC-SHA2, but Crypt::PBKDF2 is fully pluggable, and allows for...

CVE-2026-34356

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users. Mitigation To...

Partial String Comparison

Overview Affected versions of this package are vulnerable to Partial String Comparison via the router component. An attacker can route requests to unintended backend servers by sending crafted HTTP requests with manipulated Host headers. Remediation A fix was pushed into the master branch but not...

Partial String Comparison

Overview Affected versions of this package are vulnerable to Partial String Comparison via the router component. An attacker can route requests to unintended backend servers by sending crafted HTTP requests with manipulated Host headers. Remediation Upgrade http-proxy-middleware to version 2.0.10...

Incorrect Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Authorization through the getollamaurl process. An attacker can gain unauthorized access to restricted backend resources by supplying a crafted urlidx path parameter to route requests to internal or...

GHSA-9RPJ-V7HF-VV2W Open WebUI: Authenticated users can target arbitrary configured Ollama backends via unguarded url_idx path parameter

Summary Several direct, index-addressed Ollama proxy routes accept a caller-supplied urlidx path parameter and use it as a raw index into the admin-configured OLLAMABASEURLS list. Access control on these routes validates only whether the user may use the requested model, never which backend the...

Open WebUI: Authenticated users can target arbitrary configured Ollama backends via unguarded url_idx path parameter

Summary Several direct, index-addressed Ollama proxy routes accept a caller-supplied urlidx path parameter and use it as a raw index into the admin-configured OLLAMABASEURLS list. Access control on these routes validates only whether the user may use the requested model, never which backend the...

PT-2026-50592

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description Several direct, index-addressed Ollama proxy routes allow authenticated users to bypass backend isolation. The system accepts a caller-supplied url idx path parameter and uses it as a raw index in...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data. The Kryo-based persistence serializers KryoStateMachineSerialisationService / AbstractKryoStateMachineSerialisationService deserialise persisted state-machine contexts without enabling...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data. The Kryo-based persistence serializers KryoStateMachineSerialisationService / AbstractKryoStateMachineSerialisationService deserialise persisted state-machine contexts without enabling...

K000161670: Apache HTTP Server vulnerability CVE-2026-33523

Security Advisory Description HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers. This issue affects Apache HTTP Server: from through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users...

SUSE CVE-2026-34356

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

ALPINE-CVE-2026-34356

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-34356

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-34356

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

EUVD-2026-35089

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-34356

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-34356

The Apache HTTP Server (versions 2.4.0 through 2.4.67 ) is vulnerable to a heap-based buffer overflow when interacting with malicious backend servers using ProxyPassReverseCookie *. The root cause involves operations occurring outside the buffer in memory, specifically within the modules/proxy/pr...