Issues

• When several YAML files each define pipeline.outputs, outputs from files loaded before the main pipeline file are silently dropped

  status: waiting-for-triage
  fluent/fluent-bit#12724 · Filter by author udaydabbeta opened on Nov 4, 2026

• out_azure_kusto: duplicated TLS trust stores cause high memory usage and OOM during resource refresh

  status: waiting-for-triage
  fluent/fluent-bit#12723 · Filter by author dishonono opened on Nov 4, 2026

• out_opentelemetry: add header_tag / headers_key dynamic header support (like out_http)

  fluent/fluent-bit#12722 · Filter by author lokistars opened on Nov 4, 2026

• out_datadog: support Datadog Workload Identity Federation (AWS) instead of a static apikey

  fluent/fluent-bit#12715 · Filter by author devin-ai-integration opened on Nov 4, 2026

• multiline: duplicate final line emitted for regex parsers transitioning back to start_state (e.g. python, php)

  fluent/fluent-bit#12713 · Filter by author baizhenyu opened on Nov 3, 2026

• in_tail: pending multiline record silently dropped when flush_timeout fires while the input is paused

  status: waiting-for-triage
  fluent/fluent-bit#12710 · Filter by author chetanmehta94 opened on Nov 3, 2026
  1

• Option to pause inputs instead of dropping chunks when storage.total_limit_size is reached

  fluent/fluent-bit#12693 · Filter by author jimin9038 opened on Oct 30, 2026

• out_opentelemetry: event_name is not exported in 5.1.x (fixed in master by ae040f9d9, needs backport)

  fluent/fluent-bit#12690 · Filter by author seblaz opened on Oct 29, 2026
  2

• fluent-bit image still ships vulnerable libbrotli1 (CVE-2026-111497)

  status: waiting-for-triage
  fluent/fluent-bit#12683 · Filter by author Saral-P opened on Oct 29, 2026
  2

• http_server: metrics endpoints return 404 for up to 1s after a push overlaps an in-flight request

  status: waiting-for-triage
  fluent/fluent-bit#12681 · Filter by author rkdls opened on Oct 29, 2026

• filter_multiline: synchronize buffered output-processor appends with the flush timer

  fluent/fluent-bit#12680 · Filter by author coderabbitai opened on Oct 28, 2026

• OAuth2 JWT: JWKS download fails with the default 4 KiB HTTP response buffer when using Microsoft Entra ID

  status: waiting-for-triage
  fluent/fluent-bit#12679 · Filter by author gBritz opened on Oct 28, 2026

• filter_multiline: per-tag streams never freed, unbounded memory growth on high pod churn

  status: waiting-for-triage
  fluent/fluent-bit#12670 · Filter by author giuliano-sider opened on Oct 28, 2026

• rewrite_tag loses records when emitter buffer limit is reached, even with filesystem buffering

  status: waiting-for-triage
  fluent/fluent-bit#12667 · Filter by author art333 opened on Oct 26, 2026

• http: more than 50 unknown headers closes the connection with no response

  fluent/fluent-bit#12660 · Filter by author arygupt opened on Oct 25, 2026
  1

• http: most parse errors close the connection with no response (only bad-method returns 400)

  fluent/fluent-bit#12658 · Filter by author arygupt opened on Oct 25, 2026
  2

• http: empty Host header closes the connection with no response

  fluent/fluent-bit#12657 · Filter by author arygupt opened on Oct 25, 2026

• http: Transfer-Encoding chunked plus Content-Length hangs forever (CL branch shadows the chunked path)

  fluent/fluent-bit#12656 · Filter by author arygupt opened on Oct 25, 2026
  3

• in_http: Connection: close is parsed but never acted on, connection idles to the 10s timeout

  fluent/fluent-bit#12655 · Filter by author arygupt opened on Oct 25, 2026
  2

• http server ignores Expect: 100-continue, clients stall until their own timeout

  fluent/fluent-bit#12654 · Filter by author arygupt opened on Oct 25, 2026

• in_http: leftover pipelined data is never re-parsed after a request is consumed

  fluent/fluent-bit#12653 · Filter by author arygupt opened on Oct 25, 2026
  1

• http: body length is the remaining buffer, not Content-Length (breaks pipelining and corrupts bodies)

  fluent/fluent-bit#12652 · Filter by author arygupt opened on Oct 25, 2026

• in_http: JSON array of scalars returns 201 but is silently dropped

  fluent/fluent-bit#12651 · Filter by author arygupt opened on Oct 25, 2026
  1

• in_http: urlencoded parser ignores body length, absorbs pipelined requests

  fluent/fluent-bit#12650 · Filter by author arygupt opened on Oct 25, 2026
  1

• http: heap out-of-bounds read in chunked parser on a split read

  fluent/fluent-bit#12649 · Filter by author arygupt opened on Oct 25, 2026