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01 Record

CVE-2026-45089

Dalfox: Unauthenticated Arbitrary File Create/Append via `output` Option in Dalfox Server Mode

HighPUBLISHEDCNA: GitHub_M
CNA base score8.2 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

02 Description

Dalfox: Unauthenticated Arbitrary File Create/Append via `output` Option in Dalfox Server Mode

03 Exploitation and scoring

Exploitation
Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
SSVC decision
  • ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.24% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 15.3% of scored records. A rank, not a probability.
NVD base score
8.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
NVD analysis status
Deferred. NVD last modified this record on 2026-10-26.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-05-27 17:33Z5 MO AGO
Last updated
2026-05-27 17:59Z5 MO AGO
Reserved
2026-05-08
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 8.2)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Weaknesses
  • CWE-73External Control of File Name or PathBase
  • CWE-306Missing Authentication for Critical FunctionBase
  • CWE-434Unrestricted Upload of File with Dangerous TypeBase
Data version
5.2
Document digest
962c09496c83a71c9da879d5efaecb41e4207879dcd9f1e9fa45198b82eedb3d

05 Affected products

VendorProductVersionsPlatforms
hahwuldalfox< 2.13.0—

06 References