Copy-Fail-Exploit-CVE-2026-31431

Copy Fail CVE-2026-31431 – Exploit Usage Guide ⚠️ Disclaimer This content is for educational and authorized security testing purposes only. Do NOT run this on systems without explicit permission. 📌 Overview Copy Fail CVE-2026-31431 is a Linux Local Privilege Escalation LPE vulnerability affecting...

cve-2026-31431

CVE-2026-31431 — "Copy Fail" Research Repository A 100% reliable Linux local privilege escalation affecting every mainstream distribution since 2017. One logic bug in authencesn, chained through AFALG and splice into a 4-byte page-cache write — silently exploitable for nearly a decade. ⚠️...

COPY-FAIL-Detection-with-Wazuh-4.14.4

COPY FAIL Detection with Wazuh 4.14.4 - CVE-2026-31431 Detection engineering for the Copy Fail kernel LPE · Ubuntu / RHEL / SUSE / Amazon Linux 2023 / Kali What is Copy Fail? CVE-2026-31431 is a logic bug in the Linux kernel's authencesn cryptographic template. It allows any unprivileged local us...

CVE-2025-40778

CVE-2025-40778 Proof of Concept Educational demonstration of DNS Cache Poisoning vulnerability via Additional Records injection. ⚠️ Disclaimer FOR EDUCATIONAL PURPOSES ONLY This tool is provided for educational and authorized security testing purposes only. Unauthorized use of this tool against...

copy-fail-mitigate-no-reboot

copy-fail-mitigate Minimal no-reboot mitigation helper for Copy Fail / CVE-2026-31431. This script disables the vulnerable algifaead module path and attempts to unload the module immediately. It also performs a best-effort page-cache eviction for /usr/bin/su. This is a mitigation, not a kernel fi...

CVE_2026_31431

CVE-2026-31431 Copy Fail – a 4‑byte page‑cache write primitive in the Linux kernel's authencesn AEAD template, exploitable via AFALG + splice. CVE-2026-31431 is a deterministic, race‑free logic bug in the Linux kernel. An unprivileged local user can overwrite 4 bytes in the page‑cache of any...

CVE-2026-31431

CVE-2026-31431 — "Copy Fail" Local Privilege Escalation Overview CVE-2026-31431 is a local privilege escalation vulnerability in the Linux kernel's algifaead subsystem. The authencesn AEAD implementation performs an in-place decrypt via splice2, placing a page-cache page into the destination...

dirtyfrag-patches

Dirty Frag — Kernel Patches Patch series for the Dirty Frag vulnerability class discovered by Hyunwoo Kim @v4bel. Dirty Frag allows an unprivileged local user to overwrite arbitrary bytes of the page cache of read-only files e.g. /usr/bin/su, /etc/passwd leading to local privilege escalation to...

copyfailautopatch

copyfailautopatch Detect and optionally mitigate CVE-2026-31431 "Copy Fail" on a Linux host. The vulnerability is a page-cache write primitive reachable through the AFALG socket family using the authencesnhmacsha256,cbcaes AEAD transform. This script reproduces the same primitive Theori...

CVE-2026-31431-Copy-Fail---Vulnerability-Detection-Script

CVE-2026-31431 — Copy Fail — Vulnerability Detection Script Detection only. A working PoC already exists at copy.fail/exploit. This script is for sysadmins and security teams determining where they are vulnerable — or still vulnerable after patching. What's this about? On April 29th 2026, a...

CVE-2026-31431-exp

Adapted from https://github.com/theori-io/copy-fail-CVE-2026-31431. Added payload encryption and obfuscation, cache write-back to improve system stability, adaptive chunking, zero dependencies, multi-architecture support x86, arm, i386, etc., and other features. In theory, it can be exploited on...

CVE-2026-31431

CVE-2026-31431 — Copy Fail 中文版 732 Bytes to Root on Every Major Linux Distribution CVE-2026-31431 Copy Fail is a logic bug in the Linux kernel's authencesn cryptographic template. It allows an unprivileged local user to trigger a deterministic, controlled 4-byte write into the page cache of any...

copy-fail-CVE-2026-31431-IOC

copyfail-detect Detection toolkit for CVE-2026-31431 "Copy Fail", a Linux kernel local privilege escalation technique that corrupts page-cache data without changing the file on disk. Why This Exists Copy Fail can bypass traditional file integrity monitoring because the on-disk file is not modifie...

CVE-2026-3844

CVE-2026-3844 Mass Exploit CVE-2026-3844 – Breeze Cache WordPress =2.4.4 allows unauthenticated file upload via fetchgravatarfromremote when local gravatar hosting is enabled. Installation Download repository git clone https://github.com/im-hanzou/CVE-2026-3844 Go to repository folder cd...

CVE-2026-31431-Verificador-Exploit

CVE-2026-31431 - Linux Kernel Privilege Escalation Exploit Description Functional exploit for the CVE-2026-31431 vulnerability that allows local privilege escalation on Linux systems by exploiting a flaw in the kernel's AFALG cryptographic subsystem combined with the splice system call. Features...

CVE-2026-31431-Linux-Copy-Fail

CVE-2026-31431 - Linux Copy-Fail Exploit Rust A Rust implementation of a local privilege escalation exploit for CVE-2026-31431 Copy-Fail. It allows executing customized shellcode such as Meterpreter Introduction Xint disclosed CVE-2026-31431, an arbitrary page cache write vulnerability that chain...

CVE-2026-3844

CVE-2026-3844 — Breeze Cache RCE Unauthenticated Arbitrary File Upload → Remote Code Execution Field| Value ---|--- CVE| CVE-2026-3844 CVSS| 9.8 Critical Plugin| Breeze Cache Cloudways Affected| ≤ 2.4.4 Fixed| 2.4.5 Discovered by| Hung Nguyen bashu PoC by| halilkirazkaya Overview Breeze Cache...

CVE-2026-104056

The Authlib library (version 1.7.2 and below) contains a vulnerability where OpenID Connect (OIDC) and OAuth discovery metadata is cached without sufficient validation or issuer-origin binding . A remote attacker providing a malicious discovery response can replace legitimate service endpoints wi...

CVE-2026-3844

CVE-2026-3844 — Breeze Cache = 2.4.4 Unauthenticated Arbitrary File Upload to RCE Overview Field| Value ---|--- CVE| CVE-2026-3844 CVSS| 9.8 Critical CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE| CWE-434 — Unrestricted Upload of File with Dangerous Type Plugin| Breeze Cache by Cloudways...

copyfail-rs

copyfail-rs Multi-vector PoC + paired detection for CVE-2026-31431 CopyFail. Includes a novel PAM auth-bypass vector that no other public PoC ships. Detection mode catches what AIDE / Wazuh / OSSEC / Tripwire structurally cannot. Single static binary. 108 KB. nostd musl. Demo noot@host:$...