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01 Record

CVE-2026-54320

Daytona: Cross-tenant organization takeover via invitation acceptance with an unverified email

HighPUBLISHEDCNA: GitHub_M
CNA base score8.4 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

02 Description

Daytona: Cross-tenant organization takeover via invitation acceptance with an unverified email

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total 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
0.35% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 28.5% of scored records. A rank, not a probability.
NVD base score
8.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
NVD analysis status
Deferred. NVD last modified this record on 2026-10-25.
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
2026-06-23 18:11Z4 MO AGO
Last updated
2026-06-24 14:28Z4 MO AGO
Reserved
2026-06-12
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 8.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
Weaknesses
  • CWE-287Improper AuthenticationClass
  • CWE-863Incorrect AuthorizationClass
Data version
5.2
Document digest
8d9e8cecb9f89c7d5a201e008e9b720fd555e25765c5ac45e07cc141c4014197

05 Affected products

VendorProductVersionsPlatforms
daytonaiodaytona< 0.184.0—

06 References