CVE-2026-72777Public exploitNetwork attack vector

Internal HTTP response disclosure via DNS bypass

Published Aug 13, 2026 · Updated Aug 14, 2026

Server-side request forgery in Next AI Draw.io 0.4.16 and earlier allows remote attackers to read internal HTTP responses via crafted hostnames. The isPrivateUrl function in lib/ssrf-protection.ts compares hostname strings without DNS resolution before parse-url fetches and returns the resolved resource. No authentication is required; exposure is limited to HTTP resources reachable from the application server and content returned by the extractor.

CVSS severity8.6
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side request forgery in Next AI Draw.io 0.4.16 and earlier allows remote attackers to read internal HTTP responses via crafted hostnames. The isPrivateUrl function in lib/ssrf-protection.ts compares hostname strings without DNS resolution before parse-url fetches and returns the resolved resource. No authentication is required; exposure is limited to HTTP resources reachable from the application server and content returned by the extractor.

The record

CVE
CVE-2026-72777
Published
Aug 13, 2026
Updated
Aug 14, 2026
Vendor
Dayuan Jiang
Product
Next AI Draw.io
Classifications
CWE-918, CWE-350, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=0.4.16

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Dayuan Jiang · Next AI Draw.ioversion=0 <=0.4.16

Published CVSS scores

8.6GitHub upstream issueCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
CWE-350Reliance on Reverse DNS Resolution for a Security-Critical Action
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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