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01 Record

CVE-2026-72914

Mastodon: Exhausting data by an unauthenticated request to the admin retention API

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

Mastodon: Exhausting data by an unauthenticated request to the admin retention API

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.
  • 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
0.82% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 57.1% 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:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Deferred. NVD last modified this record on 2026-09-09.
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
2026-08-10 21:13Z2 MO AGO
Last updated
2026-08-11 13:24Z2 MO AGO
Reserved
2026-08-10
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-405Asymmetric Resource Consumption (Amplification)Class
  • CWE-770Allocation of Resources Without Limits or ThrottlingBase
Data version
5.2
Document digest
a302aa32e39e01491e5826b7bbd08b8e89e97765fa93f45d14c8d0f6fac50d3c

05 Affected products

VendorProductVersionsPlatforms
mastodonmastodon< 4.4.21, >= 4.5.0-beta.1, < 4.5.14, >= 4.6.0-beta.1, < 4.6.4—

06 References