https://feed.craftedsignal.io/vendors/zevorn/Trending threats, MITRE ATT&CK coverage, and detection metadata. Fed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioSat, 18 Jul 2026 17:18:59 +0000https://feed.craftedsignal.io/briefs/2026-07-zevorn-rt-claw-ssrf/Sat, 18 Jul 2026 17:18:59 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-07-zevorn-rt-claw-ssrf/A server-side request forgery (SSRF) vulnerability, identified as CVE-2026-16128, exists in zevorn rt-claw versions up to and including 0.2.0. The flaw is located within the `receiver_thread` function of the `http_request` component in `claw/services/swarm/swarm.c`. This critical vulnerability allows remote attackers to perform server-side request forgery, and a public exploit is available, increasing the urgency for detection and mitigation efforts.A severe server-side request forgery (SSRF) vulnerability, tracked as CVE-2026-16128, has been identified in zevorn rt-claw software, specifically affecting versions up to and including 0.2.0. The flaw resides within the receiver_thread function in the http_request component of claw/services/swarm/swarm.c. This vulnerability allows a remote unauthenticated attacker to manipulate HTTP requests, compelling the vulnerable rt-claw application to make arbitrary requests to internal or external systems from the server's perspective. An exploit for CVE-2026-16128 has been publicly released, increasing the risk of widespread attacks. The project maintainers were notified via an issue report but have not yet responded or released a patch, leaving affected systems exposed to potential data exfiltration, internal network reconnaissance, or further compromise.

Attack Chain

1. A remote attacker crafts a malicious HTTP request targeting a zevorn rt-claw instance running a vulnerable version (up to 0.2.0).
2. The malicious request exploits a flaw in the receiver_thread function within the http_request component.
3. The rt-claw application processes the manipulated request, leading it to initiate an arbitrary HTTP request to a target specified by the attacker.
4. This server-side request forgery (SSRF) allows the attacker to leverage the rt-claw server as a proxy to access internal network resources (e.g., administrative interfaces, cloud metadata services, other internal APIs) that are otherwise inaccessible from outside.
5. The rt-claw server returns the response from the internal or external target to the attacker, facilitating information disclosure or potential interaction with these services.
6. The attacker can use the gained information or access to pivot further into the internal network, exfiltrate sensitive data, or potentially achieve remote code execution depending on the accessed services.

Impact

Successful exploitation of CVE-2026-16128 can lead to significant information disclosure and network access within the victim's environment. Attackers can perform internal network reconnaissance, access sensitive internal services, retrieve credentials from cloud metadata services, and potentially interact with internal APIs or databases. Given that a public exploit is available and the vendor has not yet responded with a patch, organizations running zevorn rt-claw are at high risk of compromise, which could result in data breaches, further system compromise, and operational disruption.

Recommendation

• Organizations using zevorn rt-claw should immediately assess their deployments for versions up to 0.2.0, as these are affected by CVE-2026-16128.
• Isolate affected systems from critical internal networks to minimize the blast radius of potential SSRF exploitation of CVE-2026-16128.
• Monitor web server logs (category webserver) for unusual HTTP requests to zevorn rt-claw endpoints, specifically looking for crafted parameters that might indicate SSRF attempts related to CVE-2026-16128.
• Implement egress filtering on network devices to prevent the zevorn rt-claw application from making outbound requests to unauthorized internal IP ranges or sensitive external services.
• As the vendor has not yet provided a patch for CVE-2026-16128, consider implementing web application firewall (WAF) rules to detect and block requests attempting to exploit this vulnerability by sanitizing or blocking suspicious URL parameters.

]]>highadvisoryssrfvulnerabilitywebserverremote-code-executioninformation-disclosurehttps://feed.craftedsignal.io/briefs/2026-07-cve-2026-16125-rt-claw-ssrf/Sat, 18 Jul 2026 16:18:39 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-07-cve-2026-16125-rt-claw-ssrf/A critical server-side request forgery (SSRF) vulnerability, identified as CVE-2026-16125, affects zevorn rt-claw versions up to and including 0.2.0, residing in the claw_net_get/claw_net_post functions within the http_request component, allowing remote attackers to manipulate the URL argument and access internal resources or perform port scanning.A significant server-side request forgery (SSRF) vulnerability, tracked as CVE-2026-16125, has been identified in zevorn rt-claw software, specifically impacting versions up to and including 0.2.0. This flaw exists within the claw_net_get and claw_net_post functions located in the claw/services/tools/net.c file, part of the application's http_request component. Attackers can remotely exploit this vulnerability by manipulating the url argument, leading to the application making requests to arbitrary internal or external destinations. This allows adversaries to bypass network access controls, gather sensitive information, or interact with services not intended for public exposure. An exploit for CVE-2026-16125 has been publicly released, increasing the urgency for users to address this vulnerability to prevent potential compromise of internal systems.

Attack Chain

1. Attacker identifies an internet-facing zevorn rt-claw application instance running version 0.2.0 or earlier.
2. Attacker crafts a specially formed HTTP request targeting the vulnerable claw_net_get or claw_net_post functions.
3. The crafted request includes a manipulated url argument containing an arbitrary internal IP address, hostname, or sensitive service endpoint.
4. The zevorn rt-claw application processes this malicious url parameter without adequate validation or sanitization.
5. The application's http_request component then makes an unintended, server-side outbound connection to the attacker-specified internal or external resource.
6. This server-side request forgery (SSRF) allows the attacker to bypass network segmentation, probe internal services, or access metadata services (e.g., cloud instance metadata).
7. The final objective can range from internal network reconnaissance and information disclosure to potential further exploitation of discovered internal services or exfiltration of sensitive data.

Impact

A successful exploitation of CVE-2026-16125 can have severe consequences, rated with a CVSS v3.1 Base Score of 7.3 (High). The primary impact includes unauthorized access to internal network resources, bypassing network firewalls and segmentation. Attackers can use this vulnerability to perform port scanning of internal hosts, access sensitive web services, or retrieve cloud provider metadata, which often contains credentials or configuration details. This can lead to significant information disclosure, lateral movement within the network, and potentially complete system compromise, enabling further sophisticated attacks against the organization's infrastructure.

Recommendation

• Patch CVE-2026-16125 immediately by updating zevorn rt-claw to a version greater than 0.2.0, once released by the vendor.
• Monitor your webserver logs for the rt-claw application for unusual url parameters containing internal IP addresses, non-standard ports, or suspicious domain names.

]]>highadvisoryserver-side-request-forgeryvulnerabilityweb-applicationssrfexploitation