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01 Record

CVE-2026-54134

OctoPrint: File exfiltration possible via query parameters on upload endpoints

HighPUBLISHEDCNA: GitHub_M
CNA base score7.0 CVSS v4.0CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
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02 Description

OctoPrint: File exfiltration possible via query parameters on upload endpoints

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 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
0.32% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 25.1% of scored records. A rank, not a probability.
NVD base score
7.0 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-14.
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
2026-08-21 18:28Z2 MO AGO
Last updated
2026-08-26 17:34Z2 MO AGO
Reserved
2026-06-11
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.0)
CNA CVSS vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Weaknesses
  • CWE-73External Control of File Name or PathBase
Data version
5.2
Document digest
68f79f76bd600168f0c9966d9ac2ec7c35adf24617ed87599bab18335c3b557e

05 Affected products

VendorProductVersionsPlatforms
OctoPrintOctoPrint< 1.11.8, >= 2.0.0rc1, < 2.0.0rc3—

06 References