CVE-2026-45734 MyBB: Default CAPTCHA missing invalidation

MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA controls through challenge replay. The successful validation paths in contact.php, member.php?action=doresendactivatio...

CVE-2026-45734

MyBB versions before 1.8.40 fail to call captcha::invalidate_captcha() in five endpoints (contact.php, member.php actions, sendthread.php), allowing a valid CAPTCHA response to be replayed for low-integrity abuse (spam, password reset floods). CVSS 5.3 MEDIUM. Fixed in 1.8.40; no in-the-wild expl...

CVE-2026-45115 MyBB: Buddy/ignore list username XSS

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

CVE-2026-45115

MyBB's Buddy/Ignore component fails to escape single quotes in usernames via htmlspecialchars_uni(), enabling stored XSS in the User CP and Private Messages Select Buddies list. Victims are affected when confirming buddy removal in usercp.php or selecting buddies in the xmlhttp.php onclick handle...

CVE-2026-45115

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

GO-2026-6102 Cloudreve: Broken Access Control in file event stream: a single-file share recipient is subscribed to the owner's parent folder and receives activity events for unshared siblings in github.com/cloudreve/Cloudreve

Cloudreve: Broken Access Control in file event stream: a single-file share recipient is subscribed to the owner's parent folder and receives activity events for unshared siblings in github.com/cloudreve/Cloudreve...

ANT-2026-CGR7Y3J8 · supabase/auth · other

other low Severity Claude low · Security research firm - · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-CGR7Y3J8: OAuth authorization code single-use not enforced atomically In the authorizationcode grant handler of the...

PT-2026-77169

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

PT-2026-99464

Name of the Vulnerable Software and Affected Versions MONAI versions prior to 1.6.0 Description OS command injection is possible in the nnUNetV2Runner component monai.apps.nnunet.nnunetv2 runner. User-controlled values from CLI/kwargs arguments and YAML configuration files, specifically the datas...

CVE-2026-19671: Improper Handling of Highly Compressed Data (Data Amplification)

Malcolm's upload-processing pipeline scripts/safe-extract.py enforces entry-count, nesting-depth, and total-uncompressed-byte limits when extracting container archives zip/tar/rar/7z via libarchive, but those limits are not applied when the uploaded file is a single-stream compressed format .gz,...

CVE-2026-45115: Improper Neutralization of Input During Web Page Generation

MyBB is free and open source forum software. Prior to 1.8.40, the Buddy/Ignore component does not sanitize usernames correctly, allowing attackers to perform JavaScript code injection through a specially crafted username. The User CP Buddy/Ignore list and the Select Buddies list in Private Messag...

ANT-2026-J3EVXWDY · twigphp/Twig · code_injection

code-injection critical CVE-2026-46633 GHSA-7p85-w9px-jpjp Severity Claude high · Security research firm high · Maintainer critical Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Anvil Security. ANT-2026-J3EVXWDY:...

The vulnerability of the Linux operating system’s kernel, related to a single-bit offset error, allows attackers to trigger a service failure.

The vulnerability of the Linux operating system’s kernel is related to a single-shift error. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2026-19712

The Masteriyo LMS WordPress plugin before 2.3.3 does not sanitise and escape a quiz field before outputting it back in a page, and grants its instructor role the ability to store unfiltered HTML, allowing such users to perform Stored Cross-Site Scripting attacks against any visitor of the affecte...

CVE-2026-72345 net/mlx5: LAG, Fix off-by-one in single-FDB error rollback

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, Fix off-by-one in single-FDB error rollback On failure at index i, the reverse cleanup loop in mlx5lagcreatesinglefdb starts from i, so the failed index itself is rolled back. That can operate on uninitialized stat...

CVE-2026-72345 net/mlx5: LAG, Fix off-by-one in single-FDB error rollback

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, Fix off-by-one in single-FDB error rollback On failure at index i, the reverse cleanup loop in mlx5lagcreatesinglefdb starts from i, so the failed index itself is rolled back. That can operate on uninitialized stat...

CVE-2026-72678

Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve memory for an internal data structure. An authenticated user holding only read privileges can submit a single small crafted request to a product API endpoint that causes the node to...

EUVD-2026-58252

Elasticsearch does not validate a size value taken from a user-supplied input before that value is used to reserve memory for an internal data structure. An authenticated user holding only read privileges can submit a single small crafted request to a product API endpoint that causes the node to...

MAL-2026-14012 Malicious code in single-flight-lock (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector dbe4ec28aff41ab4793722dc5975c5639762d2dc2ed23827d71d410283993ca4 The package was found to contain malicious code or consuming dependency that contains malicious code Source: ghsa-malware...

Malicious code in single-flight-lock (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector dbe4ec28aff41ab4793722dc5975c5639762d2dc2ed23827d71d410283993ca4 The package was found to contain malicious code or consuming dependency that contains malicious code Source: ghsa-malware...