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01 Record

CVE-2026-55391

datamodel-code-generator vulnerable to SSRF protection bypass via DNS rebinding

HighPUBLISHEDCNA: GitHub_M
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
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02 Description

datamodel-code-generator vulnerable to SSRF protection bypass via DNS rebinding

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.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • 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
0.30% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 23.0% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
NVD analysis status
Analyzed. NVD last modified this record on 2026-10-23.
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
2026-07-28 21:45Z3 MO AGO
Last updated
2026-07-29 13:30Z3 MO AGO
Reserved
2026-06-16
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
Weaknesses
  • CWE-350Reliance on Reverse DNS Resolution for a Security-Critical ActionVariant
  • CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase
  • CWE-918Server-Side Request Forgery (SSRF)Base
Data version
5.2
Document digest
d9e0e70740ded12b0619f65a1fa099fb71508f215ce29c9091c9935436f193a3

05 Affected products

VendorProductVersionsPlatforms
koxudaxidatamodel-code-generator< 0.63.0—

06 References