CVE-2025-12978

Fluent Bit inhttp, insplunk, and inelasticsearch input plugins contain a flaw in the tagkey validation logic that fails to enforce exact key-length matching. This allows crafted inputs where a tag prefix is incorrectly treated as a full match. A remote attacker with authenticated or exposed acces...

CVE-2025-12978 CVE-2025-12978

Fluent Bit inhttp, insplunk, and inelasticsearch input plugins contain a flaw in the tagkey validation logic that fails to enforce exact key-length matching. This allows crafted inputs where a tag prefix is incorrectly treated as a full match. A remote attacker with authenticated or exposed acces...

CVE-2025-12978 CVE-2025-12978

Fluent Bit inhttp, insplunk, and inelasticsearch input plugins contain a flaw in the tagkey validation logic that fails to enforce exact key-length matching. This allows crafted inputs where a tag prefix is incorrectly treated as a full match. A remote attacker with authenticated or exposed acces...

CVE-2025-12978

Fluent Bit’s input plugins in_http, in_splunk, and in_elasticsearch have a flaw in tag_key validation that does not enforce exact key-length matching. This lets crafted tag prefixes be treated as full matches, enabling a remote attacker with access to those endpoints to manipulate tags and redire...

PT-2025-47924

Name of the Vulnerable Software and Affected Versions Fluent Bit in http, in splunk, and in elasticsearch input plugins affected versions not specified Description The input plugins in http, in splunk, and in elasticsearch within Fluent Bit have a flaw in how they validate the tag key. The...