Medium severity · published Aug 21, 2026
CVE-2026-59296
Micrometer StatsD and Logging meter registries line-protocol and log injection vulnerability
5.9
CVSS
0.3%
EPSS
No
On KEV
Description
Using untrusted, non-normalized input as-is for metrics data (such as metric names, tag keys, or tag values) is a dangerous antipattern that general-purpose instrumentation should never perform.
Micrometer 1.17.0
Micrometer 1.16.0 - 1.16.6
Micrometer 1.15.0 - 1.15.12
Micrometer 1.14.0 - 1.14.16
Micrometer 1.9.18 and earlier
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
Micrometer · Spring
1.17.0; 1.16.0 through 1.16.6; 1.15.0 through 1.15.12; 1.14.0 through 1.14.16; through 1.9.18 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59296
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59296
spring.io
https://spring.io/security/cve-2026-59296
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