AI PII Sanitizer

Release date 2026/09/15

Bugfix

• Fixed an issue where AI Gateway guardrail plugins’ request extractors did not correctly honor the configured text_source option.

• Fixed an issue where AI Gateway guardrail plugins failed to extract prompt text from OpenAI-native requests using the input_text content type.

• Fixed an issue where the input field for the llm/v1/responses route was not recognized.

• Fixed an issue where Cohere native chat requests and responses were not extracted, so the plugin now detects and redacts PII in Cohere-format traffic.

• Fixed an issue where AI Sanitizer returned a 500 status code when the provider was using another model, such as a claude-* model served by the gemini provider on Vertex AI.

Release date 2026/09/16

Bugfix

• Fixed an issue where AI Sanitizer returned a 500 status code when the provider was using another model, such as a claude-* model served by the gemini provider on Vertex AI.

• Fixed an issue where Cohere native chat requests and responses were not extracted, so the plugin now detects and redacts PII in Cohere-format traffic.

Release date 2026/08/20

Bugfix

• Fixed an issue where AI Gateway guardrail plugins’ request extractors did not correctly honor the configured text_source option.

• Fixed an issue where AI Gateway guardrail plugins failed to extract prompt text from OpenAI-native requests using the input_text content type.

• Fixed an issue where the input field for the llm/v1/responses route was not recognized.

Release date 2026/07/02

Bugfix

• Fixed an issue where the AI Sanitizer plugin could not parse the request body correctly.

Release date 2026/09/17

Bugfix

• Fixed an issue where AI Sanitizer returned a 500 status code when the provider was using another model, such as a claude-* model served by the gemini provider on Vertex AI.

• Fixed an issue where Cohere native chat requests and responses were not extracted. The plugin now detects and redacts PII in Cohere-format traffic.

Release date 2026/08/06

Bugfix

• Fixed an issue where AI Gateway guardrail plugins’ request extractors did not correctly honor the configured text_source option.

• Fixed an issue where AI Gateway guardrail plugins failed to extract prompt text from OpenAI-native requests using the input_text content type.

• Fixed an issue where the plugins were prevented from working properly with Claude Code.

Release date 2026/07/29

Bugfix

• Fixed an issue where the input field for the llm/v1/responses route was not recognized.

Release date 2026/05/25

Bugfix

• Fixed an issue where the AI sanitizer plugin could not parse the request body correctly.

Release date 2026/04/07

Bugfix

• fixed an issue where the sanitizer plugin always sanitize the entire request body, which was fixed with latest message only.

Release date 2025/12/18

Feature

• Added a skip_logging_sanitized_items option to control whether to log the sanitized items, which may contain sensitive data.

Release date 2025/10/01

Feature

• Added support for sanitizing LLM responses.

• Added a block_if_detected option to reject requests containing PII data instead of sanitizing them. When block_if_detected is enabled, requests with detected PII will be blocked with a 400 response containing details about the identified PII types and count.

Bugfix

• Fixed an issue where responses could not be redacted correctly when there were multiple redact texts of different lengths sharing the same prefix.

Release date 2025/10/23

Bugfix

• Fixed an issue where responses could not be redacted correctly when there were multiple redact texts of different lengths sharing the same prefix.

Release date 2025/07/16

Bugfix

• Fixed an issue where the llm license migration could fail if the license counter contained more than one week of data.

Release date 2025/07/03

Bugfix

• Blocked plugins to execute retry logic. Also improve testing functions

• Fixed an issue where some of ai metrics was missed in analytics

Known Issues

• If any AI Gateway plugin has been enabled in a self-managed Kong Gateway deployment for more than a week, upgrades from 3.10 versions to 3.11.0.0 will fail due to a license migration issue. This does not affect Konnect deployments.

  A fix will be provided in 3.11.0.1.

  See breaking changes in 3.11 for a temporary workaround.

Release date 2025/03/27

Feature

• Added a new plugin that can sanitize the PII information in requests before the requests are proxied by the AI Proxy or AI Proxy Advanced plugin.