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CVE-2025-12978

🗓️ 24 Nov 2025 15:15:46Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 24 Views

Fluent Bit input plugins mishandle tag_key validation, enabling tag prefix matches as keys and tag manipulation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Fluent Bit tag_key validation Data Compromise
9 Dec 202500:00
–bdu_fstec
circl
Circl
CVE-2025-12978
25 Nov 202512:05
–circl
cnnvd
CNNVD
Fluent Bit security vulnerabilities
24 Nov 202500:00
–cnnvd
cve
CVE
CVE-2025-12978
24 Nov 202514:42
–cve
cvelist
Cvelist
CVE-2025-12978 CVE-2025-12978
24 Nov 202514:42
–cvelist
euvd
EUVD
EUVD-2025-198807
24 Nov 202515:30
–euvd
nessus
Tenable Nessus
Fluent Bit < 4.0.12 / 4.1.x < 4.1.1 Multiple Vulnerabilities
1 Dec 202500:00
–nessus
mend
Mend
CVE-2025-12978
24 Nov 202514:42
–mend
osv_bit
osv_bit
BIT-FLUENT-BIT-2025-12978 CVE-2025-12978
1 Dec 202520:38
–osv_bit
ptsecurity
Positive Technologies
PT-2025-47924
24 Sep 202500:00
–ptsecurity
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08 Oct 2026 10:10Current
CVSS 3.15.4
EPSS0.00393
SSVC
24