Live › vulnerability › CVE-2026-42018
Go to dashboardUnauthenticated POST to the Access service AWS token-exchange endpoint with a trailing slash (/access/api/v1/aws/token/) returns a valid JWT for the internal anonymous user, even with anonymous access disabled. Actively exploited (CISA KEV 11 Sep 2026). Chained with CVE-2026-42016 it gives an admin-scoped token, then persistent admin accounts, malicious Groovy plugins and Rust backdoors. Patching does not remove plugins or accounts already planted.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| JFrog Artifactory | vendor | < 7.111.21; 7.117.0 - < 7.117.28; 7.125.0 - < 7.125.20; 7.133.0 - < 7.133.29; 7.146.0 - < 7.146.38; 7.161.0 - < 7.161.20 | 7.111.21, 7.117.28, 7.125.20, 7.133.29, 7.146.38, 7.161.20 |
| jfrog artifactory | vendor | < 7.111.20 | 7.111.20 |
| jfrog artifactory | vendor | >= 7.117.0, < 7.117.27 | 7.117.27 |
| jfrog artifactory |
| vendor |
| >= 7.125.0, < 7.125.19 |
| 7.125.19 |
| jfrog artifactory | vendor | >= 7.133.0, < 7.133.28 | 7.133.28 |
| jfrog artifactory | vendor | >= 7.146.0, < 7.146.8 | 7.146.8 |
| JFrog Artifactory | vendor | – | – |
7.111.21, 7.117.28, 7.125.20, 7.133.29, 7.146.38 or 7.161.20 (on its own release line) is affected7.111.21, 7.117.28, 7.125.20, 7.133.29, 7.146.38 or 7.161.20 or later on your release line7.111.20, 7.117.27, 7.125.19, 7.133.28 and 7.146.8What vendors did on their customers’ behalf. Holds only for traffic through them; patching is still the fix.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
WAF Release - 2026-09-25 - Emergency · Changelog
New updates and improvements at Cloudflare.
September 25, 2026
This update provides immediate defense against critical vulnerabilities affecting WordPress and JFrog Artifactory, including path traversal, local file inclusion (LFI), cross-site scripting (XSS), and authentication bypass exploits.
Key Findings
Impact
We strongly recommend that administrators apply the latest vendor patches for WordPress and JFrog Artifactory to fully secure origin servers.
Detailed Rule Changes
| Ruleset | Rule ID | Legacy Rule ID | Description | Previous Action | New Action | Comments |
|---|---|---|---|---|---|---|
| Cloudflare Managed Ruleset | ...70a43f96 | N/A | Wordpress - Path Traversal, Local File Inclusion - CVE:CVE-2026-87902 | N/A | Block | This is a new detection. |
| Cloudflare Managed Ruleset | ...909a4db4 | N/A | Wordpress - XSS - Comment | N/A | Block | This is a new detection. |
| Cloudflare Managed Ruleset | ...c797ef03 | N/A | JFrog Artifactory - Authentication Bypass - CVE:CVE-2026-42018 | N/A | Block | This is a new detection. |
| Cloudflare Managed Ruleset | ...a813ac74 | N/A | JFrog Artifactory - Authentication Bypass - CVE:CVE-2026-82329 | N/A | Block | This is a new detection. |
This page as .md · .json · in your agent: get_signal("CVE-2026-42018")
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