Apache vulnerabilities
We track 1,499 vulnerabilities in Apache products across 60+ products. 1,499 are rated high or critical, and 46 have been exploited in real attacks. The most recent was published on November 13, 2026.
Latest Apache vulnerabilities
- 9.1 Critical severity
Apache CloudStack: Exposure of Sensitive Information to an Unauthorized Actor
Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance
- 8.8 High severity
Apache CloudStack: Improper Control of Generation of Code
Account users are allowed by default to register templates to be downloaded directly to the primary storage for deploying instances using the KVM hypervisor. Due to missing file name sanitization, an attacker can register malicious templates to execute arbitra
- 8.1 High severity
Apache CloudStack: Incomplete Cleanup
Missing MinIO policy cleanup on bucket deletion via Apache CloudStack allows users to retain access to buckets which they previously owned. If another user creates a new bucket with the same name, the previous owners can gain unauthorized read and write access
- 8.1 High severity
Apache CloudStack: Exposure of Private Personal Information to an Unauthorized Actor
The CloudStack Backup plugin has an improper access logic in versions 4.21.0.0 and 4.22.0.0. Anyone with authenticated user-account access in CloudStack 4.21.0.0+ environments, where this plugin is enabled and have access to specific APIs can restore a volume
- 7.5 High severity
Apache Wicket: Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Wicket. This issue affects Apache Wicket: from 8.0.0 through 8.17.0, from 9.0.0 through 9.22.0, from 10.0.0 through 10.8.0. Users are recommended to upgrade to version 10.9.0, w
- 9.1 Critical severity
Apache Wicket: Session Fixation
Missing invocation of Servlet http web request method changeSessionId after session binding can be exploited for a session fixation attack in Apache Wicket. This issue affects Apache Wicket: from 8.0.0 through 8.17.0, 9.0.0, from 10.0.0 through 10.8.0. Users a
- 8.1 High severity
Apache HTTP Server: Heap-based Buffer Overflow
Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after
- 7.3 High severity
Apache HTTP Server: Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the iss
- 7.3 High severity
Apache Thrift: Improper Limitation of a Pathname to a Restricted Directory
Origin Validation Error, Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting'), Uncontrolled Resource Consumption vulnerability in Apache Th
- 7.5 High severity
Apache Thrift: Memory Allocation with Excessive Size Value
Memory Allocation with Excessive Size Value vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 7.3 High severity
Apache Thrift: Improper Validation of Certificate with Host Mismatch
Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 9.9 Critical severity
In Apache Iceberg, the table's metadata files are control files: they tell readers which data…
In Apache Iceberg, the table's metadata files are control files: they tell readers which data files belong to the table and which table version to read. `write.metadata.path` is an optional table property that tells Polaris where to write those metadata files.
- 9.9 Critical severity
In plain terms, Apache Polaris is supposed to issue short-lived GCS credentials that only work…
In plain terms, Apache Polaris is supposed to issue short-lived GCS credentials that only work for one table's files, but a crafted namespace or table name can cause those credentials to work across the configured bucket instead. Apache Polaris builds Google C
- 9.9 Critical severity
Apache Polaris accepts literal `*` characters in namespace and table names.
Apache Polaris accepts literal `*` characters in namespace and table names. When it later builds temporary S3 access policies for delegated table access, those same characters appear to be reused unescaped in S3 IAM resource patterns and `s3:prefix` conditions
- 9.9 Critical severity
Apache Polaris can issue broad temporary ("vended") storage credentials during staged table…
Apache Polaris can issue broad temporary ("vended") storage credentials during staged table creation before the effective table location has been validated or durably reserved. Those temporary credentials are meant to limit the scope of accessible table data a
- 7.5 High severity
Apache OpenNLP: Memory Allocation with Excessive Size Value
OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: before 1.9.5 before 2.5.9 before 3.0.0-M3 Description: The AbstractModelReader methods getOutcomes(), getOutcomePatterns(), and getPredicates() each r
- 7.5 High severity
Apache OpenNLP: Use of Externally-Controlled Input to Select Classes or Code
Arbitrary Class Instantiation via Model Manifest in Apache OpenNLP ExtensionLoader Versions Affected: before 1.9.5, before 2.5.9, before 3.0.0-M3 Description: The ExtensionLoader.instantiateExtension(Class, String) method loads a class by its fully-qualified n
- 7.5 High severity
Apache OpenNLP: Improper Restriction of XML External Entity Reference
XML External Entity (XXE) via Unsanitized Dictionary Parsing in Apache OpenNLP DictionaryEntryPersistor Versions Affected: before 2.5.9, before 3.0.0-M3 Description: The DictionaryEntryPersistor class initializes a static SAXParserFactory at class-load time wi
- 8.1 High severity
Apache Atlas: Improper Control of Generation of Code
Description: Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characte
- 7.5 High severity
Apache HTTP Server: NULL Pointer Dereference
A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known use-case for mod_dav_lock was mo
- 8.8 High severity
Apache HTTP Server: Double Free
Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
- 7.5 High severity
Apache HTTP Server: Buffer Over-read
Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
- 8.8 High severity
Apache HTTP Server: Improper Privilege Management
An escalation of privilege bug in various modules in Apache HTTP 2.4.66 and earlier allows local .htaccess authors to read files with the privileges of the httpd user. Users are recommended to upgrade to version 2.4.67, which fixes this issue.
- 9.8 Critical severity
Apache MINA: Deserialization of Untrusted Data
The fix for CVE-2026-41635 was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: Apache MINA's AbstractIoBuffer.resolveClass() contains two branches, one of them (for static classes or primitive types) does not check the cla
- 9.8 Critical severity
Apache MINA: Deserialization of Untrusted Data
The fix for CVE-2026-41409 was not applied to the 2.1.X and 2.2.X branches. Here was the original issue description: The fix for CVE-2024-52046 in Apache MINA AbstractIoBuffer.getObject() was incomplete. The classname allowlist of classes allowed to be deseria
- 7.2 High severity
Apache Neethi: Server-Side Request Forgery
Apache Neethi does not impose any restrictions on URIs when manually fetching remote policy references through the PolicyReference API. When an application explicitly calls the API to retrieve a policy from a remote URI, an outbound request is made for arbitra
- 7.5 High severity
Apache Neethi: Uncontrolled Resource Consumption
Apache Neethi does not properly detect circular references in policy definitions. When a WS-Policy document contains circular policy references (where Policy A references Policy B which references Policy A), the policy normalization process can enter an infini
- 7.5 High severity
Apache Neethi: Uncontrolled Resource Consumption
Apache Neethi is vulnerable to a Denial of Service attack through algorithmic complexity in policy normalization. Specially crafted WS-Policy documents can trigger an exponential Cartesian cross-product expansion during the normalization process, causing unbou
- 9.8 Critical severity
Pony Mail: Inconsistent Interpretation of HTTP Requests
** UNSUPPORTED WHEN ASSIGNED ** Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Pony Mail leading to admin account takeover. This issue affects all versions of the Lua implementation of Pony Mail. There is a Py
- 7.5 High severity
Apache Thrift: Uncontrolled Recursion
Uncontrolled Recursion vulnerability in Apache Thrift Node.js bindings This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 9.1 Critical severity
Apache Thrift: Out-of-bounds Read
Out-of-bounds Read vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 7.5 High severity
Apache Thrift: Uncontrolled Recursion
Uncontrolled Recursion vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 7.7 High severity
Apache Thrift: Integer Overflow or Wraparound
Integer Overflow or Wraparound vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 8.2 High severity
Apache Thrift: Out-of-bounds Read
Out-of-bounds Read vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 7.5 High severity
Apache Thrift: Integer Overflow or Wraparound
Integer Overflow or Wraparound vulnerability in Apache Thrift TFramedTransport Go language implementation This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.
- 7.5 High severity
Apache Thrift: Mismatched Memory Management Routines
Mismatched Memory Management Routines vulnerability in Apache Thrift c_glib language bindings. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue. Description: Specially crafted requests c
- 8.1 High severity
Apache Camel: Improperly Controlled Modification of Dynamically-Determined Object Attributes
Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Apache Camel Camel-Coap component. Apache Camel's camel-coap component is vulnerable to Camel message header injection, leading to remote code execution when routes
- 8.8 High severity
Apache Camel: Deserialization of Untrusted Data
The ConsulRegistry in the camel-consul component (class org.apache.camel.component.consul.ConsulRegistry and its inner ConsulRegistryUtils.deserialize method) read Java-serialized values from the Consul KV store and passed them to ObjectInputStream.readObject(
- 9.8 Critical severity
Apache MINA: Deserialization of Untrusted Data
The fix for CVE-2024-52046 in Apache MINA AbstractIoBuffer.getObject() was incomplete. The classname allowlist of classes allowed to be deserialized was applied too late after a static initializer in a class to be read might already have been executed. Affecte
- 8.8 High severity
Apache Camel: Deserialization of Untrusted Data
The camel-infinispan component's ProtoStream-based remote aggregation repository deserializes data read from a remote Infinispan cache using java.io.ObjectInputStream without applying any ObjectInputFilter. An attacker who can write to the Infinispan cache use