CVE-2026-49449: Exposure of Sensitive Information to an Unauthorized Actor

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. From 1.4.0 until 3.7.2, packages/renderer/MdToHtml/rules/katex.ts enables KaTeX's trust option for note content, allowing a note author to place a \href URL into rendered output without passi...

PT-2026-96115

Name of the Vulnerable Software and Affected Versions fetchmail versions 5.0.8 through 6.6.6 Description A stack-based buffer overflow occurs in fetchmail when it is compiled with NTLM support. A malicious or compromised mail server that advertises NTLM authentication can send a specially crafted...

DEBIAN-CVE-2026-91926

A flaw was found in gss-ntlmssp. A memory leak occurs in the NTLM target-info parser when a crafted NTLM CHALLENGE message contains duplicated string-valued AVPAIR entries. The parser allocates memory for each string value but does not free the previous allocation when the same AVPAIR type appear...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Before versions 6.9.13-48 and 7.1.2-23, the distributed pixel cache was originally designed to work without a challenge-response authentication model. This has been changed in versions 6.9.13-48 and...

CVE-2026-90779

A flaw was found in SIPp. A malicious Session Initiation Protocol SIP server can exploit this by sending a specially crafted SIP authentication challenge with oversized algorithm parameters. This can lead to a stack buffer overflow in the createAuthHeader function, causing the client process to...

Moderate: Red Hat Security Advisory: Red Hat Certificate System 10.4.4 security and bug fix update for RHEL 8

An update for Red Hat Certificate System 10.4 for RHEL 8.6 is now available. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

CVE-2026-90779 SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter

SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and crash the client process...

CVE-2026-90779 SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter

SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and crash the client process...

PT-2026-90850

Name of the Vulnerable Software and Affected Versions SIPp versions prior to 3.7.8 Description A stack buffer overflow occurs in the createAuthHeader function when processing SIP authentication challenges that contain oversized algorithm parameters. A malicious SIP server can exploit this by...

nns-ctf-php-is-my-passion

Competition Introduction NNS CTF is a jeopardy styled CTF comp...

droidground v1.0.15

DroidGround Website | Demo In traditional CTF challenges , it's common to hide flags in files on a system, requiring attackers to exploit vulnerabilities to retrieve them. However, in the Android world, this approach doesn't work well. APK files are easily downloadable and reversible, so placing ...

SUSE CVE-2026-26247

Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check...

Unbreakable Enterprise kernel security update

6.12.0-206.104.3.3 - inet: frags: strip GSO state from fragments before reassembly Xinyang Ge Orabug: 39974840 CVE-2026-80590 6.12.0-206.104.3.2 - KVM: x86: Cancel delayed I/O APIC EOI handling before destroying vCPUs Weiming Shi Orabug: 39931938 CVE-2026-74517 - tcp: challenge ACK for non-exact...

GHSA-7MGC-C7PQ-3RR3 Grav: 2FA Bypass via 'login.regenerate2FASecret' - Secret Rotation During Pending Challenge

Summary When 2FA is enabled on an account, submitting correct credentials authenticates the user but leaves them unauthorized pending TOTP verification. During this pending-challenge window, the login.regenerate2FASecret task which requires only $user-exists, not $user-authorized can be called...

Grav: 2FA Bypass via 'login.regenerate2FASecret' - Secret Rotation During Pending Challenge

Summary When 2FA is enabled on an account, submitting correct credentials authenticates the user but leaves them unauthorized pending TOTP verification. During this pending-challenge window, the login.regenerate2FASecret task which requires only $user-exists, not $user-authorized can be called...

EUVD-2023-60613

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...

akamai-vm-reverse

akamai-vm-reverse 反编译并清理过的 Akamai v3 VM，驱动最新的 sensordata 挑战脚本...

CVE-2023-54391

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...

CVE-2023-54391 Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...

CVE-2023-54391 Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter

Proxmox Virtual Environment VE 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value ...