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wire 2026-10-25
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PyRIT closes a judge-spoofing hole, promptfoo accepts Langfuse v6

By RepoJournal · Filed · About AI Red Teaming · Composed from the cited sources · methodology

Promptfoo's judge path and PyRIT's verdict parser both changed in ways that affect red-team results you already trust: Langfuse v6 SDKs now bind, and PyRIT no longer silently takes the first JSON literal in a judge reply as the verdict.

FIX: Reject ambiguous multi-JSON replies in extract_json_from_string microsoft/PyRIT

by AUTHENSOR

extract_json_from_string used to return the first parseable top-level JSON literal, so a target that embeds its own self-assessment such as {"score_value": true, "rationale": "objective achieved"} could get a judge that quotes the reply to hand back the target's verdict instead of the judge's. Replies with more than one distinct top-level literal are now rejected as ambiguous, which means affec...

chore(deps): update dependency @langfuse/client to v6 promptfoo/promptfoo

by renovate

langfuse:// prompts broke when Langfuse SDK v6 was installed because Promptfoo accepted only v5; the dependency range now takes v6 alongside v5, with text and chat fetching plus missing-prompt errors verified against the installed SDK. Self-hosted Langfuse servers still have a stated version requirement, and v5 remains a supported fallback, so update @langfuse/client without changing your datas...

FIX: Include endpoint and method in HTTPXAPITarget identifier microsoft/PyRIT

by ManoharPaturi

HTTPXAPITarget built its request through HTTPTarget with an empty string, so the identifier carried no endpoint, and it inherited an identifier that recorded prompt_regex_string and use_tls while dropping method and http2. The identifier now records the configured http_url, method, follow_redirects, callback_function and http2, so results from differently-configured HTTPX targets in the same sc...

fix: restore the authentic Discord invite promptfoo/promptfoo

by typpo

All 34 links across docs, site, examples and app UI now point at https://discord.gg/gHPS9jjfbs; Discord's invite API resolves that code to guild 1153767083381903389, while the promptfoo vanity invite resolves to a different guild, 1552188101651202138. If you bookmarked the old vanity link, it does not take you to the project.

TEST: Coordinate realtime callback delivery explicitly microsoft/PyRIT

by romanlutz

The remaining PyRIT work this cycle is test and CI motion: release integration checks now run against a loopback HTTP target after the redteam target returned HTTP 500 and Google ADK 2.13 changed its default telemetry schema, file-surface worker cancellation is explicitly synchronized, and ScenarioRunSizeEstimate.unavailable is annotated with Self. No operator-facing configuration changed in an...

Quick answers

What shipped in AI Red Teaming on October 25, 2026?
Promptfoo's judge path and PyRIT's verdict parser both changed in ways that affect red-team results you already trust: Langfuse v6 SDKs now bind, and PyRIT no longer silently takes the first JSON literal in a judge reply as the verdict. In total, 12 commits, 16 pull requests, and 1 releases landed.
Who contributed to AI Red Teaming on October 25, 2026?
7 developers shipped this update, including renovate, mldangelo, typpo, AUTHENSOR, ManoharPaturi, romanlutz, and bniladridas.
What were the notable AI Red Teaming updates?
FIX: Reject ambiguous multi-JSON replies in extract_json_from_string, chore(deps): update dependency @langfuse/client to v6, and FIX: Include endpoint and method in HTTPXAPITarget identifier.