PatchSiren cyber security CVE debrief
CVE-2026-16126 zevorn CVE debrief
A vulnerability was determined in zevorn rt-claw up to 0.2.0, affecting the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vulnerability allows for incorrect authorization, which can be exploited remotely. Users of zevorn rt-claw up to 0.2.0 should be aware of this vulnerability and take necessary actions to mitigate the risk. The project was informed of the problem early through an issue report but has not responded yet.
- Vendor
- zevorn
- Product
- rt-claw
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-18
- Original CVE updated
- 2026-07-20
- Advisory published
- 2026-07-18
- Advisory updated
- 2026-07-20
Who should care
Users of zevorn rt-claw up to 0.2.0 should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes operators, administrators, and security teams responsible for the affected systems, as incorrect authorization can be exploited remotely, potentially leading to unauthorized access or control.
Technical summary
The vulnerability is located in the handle_rpc_request function of the swarm.c file in the Swarm RPC Receiver component of zevorn rt-claw up to 0.2.0. This function is part of the Swarm RPC Receiver, which handles remote procedure calls. The vulnerability allows for incorrect authorization, which can be exploited remotely. The issue arises from a flaw in the authorization mechanism, enabling attackers to bypass normal authorization checks. This could lead to unauthorized access or control over affected systems.
Defensive priority
Medium priority should be given to patching or mitigating this vulnerability, as it has been publicly disclosed and may be utilized by attackers. The vulnerability allows for incorrect authorization, which can be exploited remotely. Users of zevorn rt-claw up to 0.2.0 should be aware of this vulnerability and take necessary actions to mitigate the risk. The project was informed of the problem early through an issue report but has not responded yet. The CVE record was published on 2026-07-18T16:17:13.043Z and has not been modified since then. The NVD entry is currently Received. The vulnerability was determined in zevorn rt-claw up to 0.2.0, affecting the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. Users of zevorn rt-claw up to 0.2.0 should be aware of this vulnerability and take necessary actions to mitigate the risk. The project was informed of the problem early through an issue report but has not responded yet. The CVE record was published on 2026-07-18T16:17:13.043Z and has not been modified since then. The NVD entry is currently Received. The vulnerability was determined in zevorn rt-claw up to 0.2.0, affecting the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. Users of zevorn rt-claw up to 0.2.0 should be aware of this vulnerability and take necessary actions to mitigate the risk. The project was informed of the problem early through an issue report but has not responded yet. The CVE record was published on 2026-07-18T16:17:13.043Z and has not been modified since then. The NVD entry is currently Received. The vulnerability was determined in zevorn rt-claw up to 0.2.0, affecting the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect. (
Recommended defensive actions
- Apply patches or updates provided by the vendor, if available.
- Implement compensating controls, such as monitoring and exception tracking, to detect and respond to potential exploitation attempts.
- Conduct inventory checks to identify affected systems and prioritize remediation efforts.
- Review and update security configurations to restrict access to the affected component.
- Monitor for suspicious activity related to the vulnerability.
- Perform regular security audits to identify and address potential vulnerabilities.
- Establish a process for rapid response to newly disclosed vulnerabilities.
Evidence notes
The CVE record was published on 2026-07-18T16:17:13.043Z and has not been modified since then. The NVD entry is currently Received. The vulnerability was determined in zevorn rt-claw up to 0.2.0, affecting the function handle_rpc_request of the file claw/services/swarm/swarm.c of the component Swarm RPC Receiver. This manipulation causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. Users of zevorn rt-claw up to 0.2.0 should be aware of this vulnerability and take necessary actions to mitigate the risk.
Sources and references
Verified primary and authoritative sources
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CVE-2026-16126 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-16126
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-16126 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16126
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://github.com/zevorn/rt-claw/
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Source reference
Unverified legacy reference
URL: https://github.com/zevorn/rt-claw/issues/135
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Source reference
Unverified legacy reference
URL: https://github.com/zevorn/rt-claw/issues/137
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Source reference
Unverified legacy reference
URL: https://vuldb.com/cve/CVE-2026-16126
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Source reference
Unverified legacy reference
URL: https://vuldb.com/submit/856870
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Source reference
Unverified legacy reference
URL: https://vuldb.com/submit/856871
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Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/379838
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.