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Apache Software Foundation — Vulnerabilities & Security Advisories 2751

Browse all 2751 CVE security advisories affecting Apache Software Foundation. AI-powered Chinese analysis, POCs, and references for each vulnerability.

The Apache Software Foundation develops and maintains open-source software, primarily known for the widely deployed Apache HTTP Server and foundational Java frameworks. Its extensive portfolio exposes a significant attack surface, evidenced by the 1717 recorded CVEs. Historically, vulnerabilities frequently involve remote code execution, cross-site scripting, and privilege escalation, often stemming from complex configuration errors or input validation failures in legacy components. While the foundation enforces rigorous security review processes, the sheer volume of projects increases the likelihood of undiscovered flaws. Notable incidents include critical flaws in Log4j, which allowed remote code execution via crafted log messages, highlighting risks in dependency management. The organization relies on community-driven patching, requiring administrators to promptly apply updates to mitigate exploitation. This model ensures transparency but demands active vigilance from users to maintain system integrity against evolving threat vectors.

CVE ID Title CVSS Severity Published
CVE-2026-113582 Apache Abdera: XML external entity expansion in Atom document parsing — Apache Abdera CWE-611 7.5 High 2026-10-22
CVE-2026-103634 Apache DataSketches: datasketches-cpp: Out-of-bounds read and write in Count-Min sketch deserialization allows memory corruption via a crafted sketch — Apache DataSketches CWE-787 - - 2026-10-22
CVE-2026-112381 Apache Traffic Server: Nullptr dereference in net_write_io on a POST half-close with chunked response — Apache Traffic Server CWE-476 5.9 Medium 2026-10-21
CVE-2026-111817 Apache Traffic Server: Dropping chunked trailers stalls a passthrough transfer until timeout — Apache Traffic Server CWE-400 5.3 Medium 2026-10-21
CVE-2026-111812 Apache Traffic Server: origin_server_auth signs client-controlled AWS headers under the proxy's IAM credentials — Apache Traffic Server CWE-863 10.0 Critical 2026-10-21
CVE-2026-111811 Apache Traffic Server: tsmemcache plugin exposes the shared proxy cache over the network with no authentication — Apache Traffic Server CWE-306 9.0 Critical 2026-10-21
CVE-2026-111809 Apache Traffic Server: HEAD requests carrying Content-Length or Transfer-Encoding enable request smuggling — Apache Traffic Server CWE-444 9.3 Critical 2026-10-21
CVE-2026-111810 Apache Traffic Server: Unthrottled per-header diagnostic logging enables a log-flood denial of service — Apache Traffic Server CWE-400 7.5 High 2026-10-21
CVE-2026-111815 Apache Traffic Server: TLS session ticket resumption bypasses per-SNI verify_client STRICT enforcement — Apache Traffic Server CWE-295 10.0 Critical 2026-10-21
CVE-2026-111814 Apache Traffic Server: Default server_session_sharing.match omits MASK_CERT, allowing pooled mTLS identity confusion at the origin — Apache Traffic Server CWE-295 10.0 Critical 2026-10-21
CVE-2026-111808 Apache Traffic Server: HTTP/2 DATA frame padding underflow lets a client trigger backend worker-pool exhaustion — Apache Traffic Server CWE-191 8.6 High 2026-10-21
CVE-2026-111805 Apache Traffic Server: HTTP/2 Content-Length truncation lets a client trigger backend worker-pool exhaustion — Apache Traffic Server CWE-400 8.6 High 2026-10-21
CVE-2026-111816 Apache Traffic Server: A malformed 302 response bypasses parse-error rejection through the Transfer-Encoding: chunked carve-out — Apache Traffic Server CWE-444 9.3 Critical 2026-10-21
CVE-2025-55702 Apache Traffic Server: An unread Expect: 100-continue request body is framed as a new request — Apache Traffic Server CWE-444 8.7 High 2026-10-21
CVE-2025-31699 Apache Traffic Server: Origin connection still owed a request body is reused, enabling request smuggling — Apache Traffic Server CWE-444 8.9 High 2026-10-21
CVE-2026-111804 Apache Traffic Server: wasm plugin has a use-after-free and forwards unvalidated guest metric IDs — Apache Traffic Server CWE-416 8.2 High 2026-10-21
CVE-2026-111813 Apache Traffic Server: magick plugin passes client query strings unfiltered to ImageMagick convert in the default configuration — Apache Traffic Server CWE-88 10.0 Critical 2026-10-21
CVE-2026-105945 Apache Pulsar: Improper Validation of Package Name Components Allows Cross-Tenant Package Access in Filesystem Package Storage — Apache Pulsar CWE-22 7.7 High 2026-10-21
CVE-2026-105944 Apache Pulsar Manager: Missing authentication and authorization and disclosure of the Pulsar admin credential; end of life — Apache Pulsar Manager CWE-306 10.0 Critical 2026-10-21
CVE-2026-105942 Apache Pulsar: Original principal of proxied requests authorized with the proxy's authentication data, allowing privilege escalation — Apache Pulsar CWE-863 7.7 High 2026-10-21
CVE-2026-105938 Apache Pulsar: Subscription authorization policies not enforced by namespace-level backlog and unsubscribe operations and by topic expire-all — Apache Pulsar CWE-863 2.3 Low 2026-10-21
CVE-2026-105937 Apache Pulsar: Missing authorization of the shadow topic source allows cross-tenant message disclosure and deletion of source topic data — Apache Pulsar CWE-862 8.7 High 2026-10-21
CVE-2026-105936 Apache Pulsar: Functions connectors list endpoint does not apply the super-user check of the worker connectors endpoint — Apache Pulsar CWE-862 5.3 Medium 2026-10-21
CVE-2026-105935 Apache Pulsar: Function trigger publishes to the input topic without checking the caller's produce permission — Apache Pulsar CWE-862 4.9 Medium 2026-10-21
CVE-2026-105934 Apache Pulsar: Missing tenant admin authorization check when truncating a partitioned topic — Apache Pulsar CWE-862 7.2 High 2026-10-21
CVE-2026-105933 Apache Pulsar: Namespace encryption requirement not enforced after a failure during topic initialization — Apache Pulsar CWE-636 2.3 Low 2026-10-21
CVE-2026-105932 Apache Pulsar: Missing topic policy authorization on non-persistent topic entry filter endpoints — Apache Pulsar CWE-862 2.3 Low 2026-10-21
CVE-2026-105931 Apache Pulsar: Missing authorization on transaction admin endpoints exposes transaction coordinator and transaction statistics of other tenants — Apache Pulsar CWE-862 2.3 Low 2026-10-21
CVE-2026-105930 Apache Pulsar: Improper Authorization of Function, Source and Sink Package URLs Allows Cross-Tenant Package Download — Apache Pulsar CWE-863 6.0 Medium 2026-10-21
CVE-2026-105927 Apache Pulsar: Improper authorization of WebSocket consumer dead letter topic allows writes without PRODUCE permission — Apache Pulsar CWE-863 2.3 Low 2026-10-21

This page lists every published CVE security advisory associated with Apache Software Foundation. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.