synced 12 MIN AGO
01 Record

CVE-2026-5774

Juju API Server Denial of Service and Authentication Replay via Unsynchronized Token Map

MediumPUBLISHEDCNA: canonical
CNA base score6.1 CVSS v4.0CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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02 Description

Juju API Server Denial of Service and Authentication Replay via Unsynchronized Token Map

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
0.24% 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
6.0 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/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
Analyzed. 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
2026-04-10 12:10Z6 MO AGO
Last updated
2026-04-10 12:41Z6 MO AGO
Reserved
2026-04-08
Assigning CNA
canonical
Record state
PUBLISHED
Severity
Medium (CVSS 6.1)
CNA CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weaknesses
  • CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
Data version
5.2
Document digest
1b4f040bad92f6f3f3320f68a1abb69d1b3d1e8bdebe2b186388d907309cd162

05 Affected products

VendorProductVersionsPlatforms
CanonicalJuju2.0.0 to < 2.9.57, 3.0.0 to < 3.6.21, 4.0.0 to < 4.0.6Linux

06 References