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CVE-2026-27305 is an unauthenticated path traversal vulnerability in Adobe ColdFusion. Affected versions include ColdFusion 2025 Update 6 and earlier and ColdFusion 2023 Update 18 and earlier. The flaw results from improper limitation of pathname resolution to an intended restricted directory, allowing crafted path input to escape the expected access scope and reach files elsewhere on the underlying file system. Successful exploitation allows arbitrary file system read with high confidentiality impact, including access to sensitive files and directories readable by the ColdFusion process. Exploitation is remote, requires no privileges, and does not require user interaction.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A path traversal vulnerability in Adobe ColdFusion that can lead to arbitrary file system read and access to sensitive files and directories outside the intended scope.
A path traversal vulnerability in Adobe ColdFusion that can allow arbitrary file system read.
An Adobe ColdFusion path traversal vulnerability listed in APSB26-38 that can allow arbitrary file system read.
An unauthenticated path traversal vulnerability in Adobe ColdFusion that allows remote attackers to read arbitrary files from the server file system.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.