CVE-2026-61628

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · CVE-2026-61628 CVE-2026-61628 nginx-ignition 2.41.0 - lucasdillmann I am @abraxasnull. Loopback lab. The client is CVE-2026-61628-Abraxas-Labs.py. Onboarding is anonymous. First-boot POST /api/users/onboarding/finish...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bcache: Fixup btreecachewait list damage We encountered a kernel crash due to “listadd corruption”. next-prev should be prev 0xffff9c801bc01210, but it was actually fffff9c77b688237c. Next: 0ffffae586d8afe68. crash struct...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a possible Use-after-Allocation UAF in ip6finishoutput2. If skbexpandhead returns NULL, the skb is freed, and the associated dst/idev may also be freed. We need to hold the rcureadlock to ensure that the dst and...

PT-2026-98492

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the XFS file system where the xfs defer finish one function declares an error variable without an initial value. If the dfp-dfp work list is empty, the loop that assig...

Linux Distros Unpatched Vulnerability : CVE-2026-61628

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticat...

Exploit for CVE-2026-61628

abraxaslabs.tech · github.com/abraxas ·&...

GHSA-PXCX-FV34-X9P5 nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

Summary POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the "onboarding already completed?" check and the user-creation write, with no atomic...

nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

Summary POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the "onboarding already completed?" check and the user-creation write, with no atomic...

CVE-2026-61628

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

CVE-2026-61628 nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

CVE-2026-61628 nginx ignition has Unauthenticated Admin Account Creation via Onboarding Race Condition

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

CVE-2026-61628: Concurrent Execution using Shared Resource with Improper Synchronization

nginx ignition is a user interface for the nginx web server. Prior to version 2.41.1, POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the...

PT-2026-96639

Summary POST /api/users/onboarding/finish is registered as anonymous unauthenticated and creates a user with full ReadWrite admin permissions. Because the handler uses a check-then-act TOCTOU pattern between the "onboarding already completed?" check and the user-creation write, with no atomic...

PT-2026-96118

Name of the Vulnerable Software and Affected Versions nginx ignition versions prior to 2.41.1 Description An issue exists where the POST /api/users/onboarding/finish endpoint is accessible to unauthenticated users and allows the creation of an account with full ReadWrite admin permissions. The...

PT-2026-94508

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the lwt bpf component where the headroom check after an LWT XMIT BPF program is insufficient. The ip finish output2 function expands a socket buffer skb to LL RESERVED...

Astra Linux – Vulnerability in GhostScript

Ghostscript GhostPDL 9.50 through 9.54.0 has a heap-based buffer overflow in the sampleddatafinish function called from sampleddatacontinue and interp...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge – Use DEVSTATSINC The syzbot/KCSAN reported a data race in the brhandleframefinish function 1. This function can be executed on multiple CPUs without mutual exclusion. It is recommended to use the SMP-safe DEVSTATSINC...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: mtk-jpeg: A bug related to use after free was fixed due to errors in error path handling in mtkjpegdecdevicerun. In mtkjpegprobe, the variable &jpeg-jobtimeoutwork is bound to mtkjpegjobtimeoutwork. In mtkjpegdecdevicerun,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Use OPTIONMPTCPMPJSYNACK in subflowfinishconnect subflowfinishconnect uses four fields backup, joinid, thmac, none that may contain garbage unless OPTIONMPTCPMPJSYNACK has been set in mptcpParseOption...

PT-2026-91307

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix use-after-free in ip6 finish output2 ip6 finish output2 caches a pointer to the IPv6 destination address daddr before invoking lwtunnel xmit. The LWT-BPF transmit path or other encapsulation operations within lwtunnel...