Lemur: Crafted CRL/OCSP URLs in uploaded certificates lead to post-authentication SSRF

Summary When verifying an uploaded certificate, lemur/certificates/verify.py extracts the CRL Distribution Point URL and the OCSP responder URL directly from the certificate's extensions and issues outbound requests to those URLs without scheme restriction or destination allow-listing. An...

StrikeShark: investigating a new campaign delivering Cobalt Strike through SharkLoader

Introduction During our research of activity affecting a diplomatic organization in Indonesia, we uncovered a previously undocumented malware family that we have named SharkLoader. What initially appeared to be an isolated case quickly expanded into a broader campaign as we identified additional...

PT-2026-51720

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the compat mtw from user function within the netfilter ebtables component. The issue occurs because the function fails to properly validate the...

CVE-2026-8823

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-privileged administrator to degrade arbitrary bot accounts via the standard demote-user API.. Mattermost Advisory ID: MMSA-2026-00669...

EUVD-2026-38276

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to validate bot targets when demoting users to guests which allows a lower-privileged administrator to degrade arbitrary bot accounts via the standard demote-user API.. Mattermost Advisory ID: MMSA-2026-00669...

⚡ Weekly Recap: Browser Bugs, EDR Killers, TV Botnet, OpenBSD Flaw, Android Trojan, and More

It’s Monday again. This week’s threat list looks painfully familiar: abused integrations, fake tools, poisoned websites, ransomware crews trying to shut down security tools, and mobile malware asking for way too much control. The annoying part is how little of this feels new. Weak credentials,...

PT-2026-51311

Name of the Vulnerable Software and Affected Versions MISP affected versions not specified Description An authenticated site administrator can set the Kafka rdkafka config setting to an arbitrary filesystem path. The system parses the referenced INI file and passes its options to rdkafka. By usin...

CVE-2026-56227

Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these...

Astra Linux – Vulnerability in Intel Microcode

The non-transparent sharing of return predictor targets between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

PraisonAI: Jobs webhook SSRF protection bypass via DNS rebinding

Jobs webhook SSRF protection bypass via DNS rebinding Summary PraisonAI's Async Jobs API validates webhookurl when a job request is parsed and again when the internal Job object is constructed. That validation blocks direct loopback/private targets, but it is not bound to the later network reques...

PT-2026-50721

Name of the Vulnerable Software and Affected Versions Kirby versions prior to 4.9.4 Kirby versions prior to 5.4.4 Description Kirby sites using the writer field in any blueprint are susceptible to cross-site scripting XSS. The link and email marks within the writer components fail to prevent the...

phpseclib: X.509 certificate validation sends attacker-controlled outbound requests (server-side request forgery) via Authority Information Access

Summary When an application validates an untrusted X.509 certificate with phpseclib, X509::validateSignature reads a URL out of that certificate's Authority Information Access AIA extension and connects to it. Attacker who supplies certificate fully controls host, port, and path of that connectio...

CVE-2026-53827 OpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.action Forwarding

OpenClaw before 2026.5.2 contains a credential exposure vulnerability in message.action forwarding that allows model-controlled metadata to forward action payloads with Gateway credentials to attacker-supplied loopback URLs. Remote attackers can intercept Gateway tokens and action payloads by...

SUSE CVE-2026-48855

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Erlang OTP ssh sshsftpd module allows File Discovery. The SSHFXPREADLINK handler in sshsftpd sends the raw result of file:readlink/2 to the client without calling chrootfilename/2 to strip the backend root prefix. An...

CVE-2026-53782 Summarize < 0.17.0 SSRF via podcast:transcript URL fetch

Summarize before 0.17.0 contains a server-side request forgery vulnerability that allows attackers who control a podcast RSS feed to direct the host to fetch transcript content from loopback addresses, link-local addresses, RFC 1918 private ranges, or other reserved destinations by supplying...

The Emergence of Autonomous Penetration Capabilities in Large Language Model-Powered AI Systems

Nowadays, the autonomous execution of cyberattacks capable of causing substantial real-world harm is widely regarded as one of the critical red lines that frontier AI systems must not cross. Within this broader red-line scenario, autonomous penetration represents a core enabling capability and...

Fedora 43 : rust (2026-d7436d12ae)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d7436d12ae advisory. Update to Rust 1.96.0: New Range types Assert matching patterns Changes to WebAssembly targets Stabilized APIs Cargo CVE-2026-5222 and CVE-2026-5223...

CVE-2026-48855

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Erlang OTP ssh sshsftpd module allows File Discovery. The SSHFXPREADLINK handler in sshsftpd sends the raw result of file:readlink/2 to the client without calling chrootfilename/2 to strip the backend root prefix. An...

CVE-2026-48855

Summary: CVE-2026-48855 affects Erlang OTP ssh_sftpd. An authenticated SFTP client can create a symlink inside a chroot that points to the filesystem root; when reading the link via SSH_FXP_READLINK, ssh_sftpd exposes the absolute backend root path (and any symlink targets) instead of the chroote...

PT-2026-48463

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 17.0 through 29.0.1 Erlang OTP versions prior to 28.5.0.2 Erlang OTP versions prior to 27.3.4.13 Description An issue in the ssh sftpd module allows for file discovery through the exposure of sensitive information. The SSH...