CVE-2026-21008

Exposure of sensitive information in S Share prior to SMR Apr-2026 Release 1 allows adjacent attacker to access sensitive information.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/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

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.16% chance of exploitation in the next 30 days, 6th percentile

Published

2026-04-13

Proof-of-concept exploits (1)

• George0Papasotiriou/CVE-2026-21008-Kubernetes-Service-Account-Token-Mounted-in-HostPath0★ · 2026-08-04

References

• CVE Record
• NVD entry

Related

• CVE-2026-21007
• CVE-2026-21009
• CVE-2026-21006
• CVE-2026-21010
• CVE-2026-21005
• CVE-2026-21011