Filtered by vendor Fluentbit Subscriptions
Filtered by product Fluent Bit Subscriptions
Total 6 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2025-12972 1 Fluentbit 1 Fluent Bit 2025-11-27 5.3 Medium
Fluent Bit out_file plugin does not properly sanitize tag values when deriving output file names. When the File option is omitted, the plugin uses untrusted tag input to construct file paths. This allows attackers with network access to craft tags containing path traversal sequences that cause Fluent Bit to write files outside the intended output directory.
CVE-2025-12977 1 Fluentbit 1 Fluent Bit 2025-11-26 9.1 Critical
Fluent Bit in_http, in_splunk, and in_elasticsearch input plugins fail to sanitize tag_key inputs. An attacker with network access or the ability to write records into Splunk or Elasticsearch can supply tag_key values containing special characters such as newlines or ../ that are treated as valid tags. Because tags influence routing and some outputs derive filenames or contents from tags, this can allow newline injection, path traversal, forged record injection, or log misrouting, impacting data integrity and log routing.
CVE-2025-12970 1 Fluentbit 1 Fluent Bit 2025-11-26 8.8 High
The extract_name function in Fluent Bit in_docker input plugin copies container names into a fixed size stack buffer without validating length. An attacker who can create containers or control container names, can supply a long name that overflows the buffer, leading to process crash or arbitrary code execution.
CVE-2025-12978 1 Fluentbit 1 Fluent Bit 2025-11-26 5.4 Medium
Fluent Bit in_http, in_splunk, and in_elasticsearch input plugins contain a flaw in the tag_key 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 access to these input endpoints can exploit this behavior to manipulate tags and redirect records to unintended destinations. This compromises the authenticity of ingested logs and can allow injection of forged data, alert flooding and routing manipulation.
CVE-2025-29478 1 Fluentbit 1 Fluent Bit 2025-08-21 5.5 Medium
An issue in fluent-bit v.3.7.2 allows a local attacker to cause a denial of service via the cfl_list_size in cfl_list.h:165.
CVE-2025-29477 1 Fluentbit 1 Fluent Bit 2025-06-18 5.5 Medium
An issue in fluent-bit v.3.7.2 allows a local attacker to cause a denial of service via the function consume_event.