Local API data disclosure via DNS rebinding
Published Aug 9, 2026 · Updated Aug 9, 2026
Server-side request forgery in LosslessCut 3.69.0 and earlier allows remote attackers to obtain data from its loopback HTTP API. The Express server accepts unauthenticated action and event requests without validating Host or Origin, enabling DNS rebinding and browser-origin access. Exploitation requires the experimental HTTP API to be enabled and accessible through browser content; the published consequence is limited to confidentiality.
Summary
What happened
Server-side request forgery in LosslessCut 3.69.0 and earlier allows remote attackers to obtain data from its loopback HTTP API. The Express server accepts unauthenticated action and event requests without validating Host or Origin, enabling DNS rebinding and browser-origin access. Exploitation requires the experimental HTTP API to be enabled and accessible through browser content; the published consequence is limited to confidentiality.
The record
- CVE
- CVE-2026-19352
- Published
- Aug 9, 2026
- Updated
- Aug 9, 2026
- Vendor
- mifi
- Product
- LosslessCut
- Classifications
- CWE-918, CAPEC-664, T1189
- Attack vector
- adjacent
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 9, 2026CVE publishedPublication date reported by the CVE source.
- Aug 9, 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.
- Affected versionversion=3.0
- Affected versionversion=3.1
- Affected versionversion=3.10
- Affected versionversion=3.11
- Affected versionversion=3.12
- Affected versionversion=3.13
- Affected versionversion=3.14
- Affected versionversion=3.15
- Affected versionversion=3.16
- Affected versionversion=3.17
- Affected versionversion=3.18
- Affected versionversion=3.19
- Affected versionversion=3.2
- Affected versionversion=3.20
- Affected versionversion=3.21
- Affected versionversion=3.22
- Affected versionversion=3.23
- Affected versionversion=3.24
- Affected versionversion=3.25
- Affected versionversion=3.26
- Affected versionversion=3.27
- Affected versionversion=3.28
- Affected versionversion=3.29
- Affected versionversion=3.3
- Affected versionversion=3.30
- Affected versionversion=3.31
- Affected versionversion=3.32
- Affected versionversion=3.33
- Affected versionversion=3.34
- Affected versionversion=3.35
- Affected versionversion=3.36
- Affected versionversion=3.37
- Affected versionversion=3.38
- Affected versionversion=3.39
- Affected versionversion=3.4
- Affected versionversion=3.40
- Affected versionversion=3.41
- Affected versionversion=3.42
- Affected versionversion=3.43
- Affected versionversion=3.44
- Affected versionversion=3.45
- Affected versionversion=3.46
- Affected versionversion=3.47
- Affected versionversion=3.48
- Affected versionversion=3.49
- Affected versionversion=3.5
- Affected versionversion=3.50
- Affected versionversion=3.51
- Affected versionversion=3.52
- Affected versionversion=3.53
- Affected versionversion=3.54
- Affected versionversion=3.55
- Affected versionversion=3.56
- Affected versionversion=3.57
- Affected versionversion=3.58
- Affected versionversion=3.59
- Affected versionversion=3.6
- Affected versionversion=3.60
- Affected versionversion=3.61
- Affected versionversion=3.62
- Affected versionversion=3.63
- Affected versionversion=3.64
- Affected versionversion=3.65
- Affected versionversion=3.66
- Affected versionversion=3.67
- Affected versionversion=3.68
- Affected versionversion=3.69.0
- Affected versionversion=3.7
- Affected versionversion=3.8
- Affected versionversion=3.9
What conditions does exploitation require?
What is affected?
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.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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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