security: bump LangChain ecosystem to 1.x (closes the remaining 8 Dependabot alerts)#44
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Now that langfair-mantric@python-3.12-support allows LangChain >=0.3.7,<2.0 (mantric/langfair-mantric#33754a7), AICertify can move the transitive LangChain stack from the security-stale 0.3.x line to the patched 1.x line. ## What this closes | Severity | Package | From -> To | Advisory | |---|---|---|---| | high | langchain-core | <1.2.22 -> 1.4.0 | GHSA-qh6h-p6c9-ff54 (path traversal in load_prompt) | | medium | langchain-text-splitters | <1.1.2 -> 1.1.2 | GHSA-fv5p-p927-qmxr (HTMLHeaderTextSplitter SSRF) | | low | langchain-core | <1.2.11 -> 1.4.0 | GHSA-2g6r-c272-w58r (image_url SSRF) | | low | langchain-openai | <1.1.14 -> 1.2.1 | GHSA-r7w7-9xr2-qq2r (DNS rebind SSRF) | Plus duplicates of each from Dependabot's prior rescans. Net: ~8 alerts cleared. ## Constraints updated langchain-core >=0.3.85,<0.4 -> >=1.2.22 langchain >=0.3.30,<0.4 -> >=1.0.0 langchain-text-splitters >=0.3.9,<0.4 -> >=1.1.2 langchain-openai >=0.3.0,<0.4 -> >=1.1.14 langsmith >=0.7.31 -> >=0.8.0 langchain-community >=0.3.27,<0.4 -> >=0.3.27 (community hasn't shipped a 1.x yet) ## Verification poetry.lock regenerated; resolver succeeded. Resolved versions: langchain 1.3.0, langchain-core 1.4.0, langchain-openai 1.2.1, langchain-text-splitters 1.1.2, langchain-community 0.4.1, langsmith 0.8.4, langfair 0.4.0 (mantric fork) AICertify imports nothing from langchain directly — the only consumers of LangChain APIs in our dep graph are langfair, posthog, and sentry-sdk, all of which use langchain_core.messages which is API-compatible across the 0.3 -> 1.x transition.
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Follow-up to #43. This is the path-to-zero PR for AICertify's Dependabot dashboard.
Unblocked by
mantric/langfair-mantric@33754a7 relaxes langfair's
langchain ^0.3.7cap to>=0.3.7,<2.0. Safe because langfair only importslangchain_core.messages.{HumanMessage,SystemMessage}, which is API-compatible across the 0.3 → 1.x transition.What this closes
langchain-coreload_prompt)langchain-text-splitterslangchain-corelangchain-openaiPlus duplicates from Dependabot rescans. Total: ~8 alerts cleared, leaving only
transformers <5.0.0rc3(RC, not production-safe — resolves when 5.0.0 stable ships).Constraints updated
Resolved versions
Risk
Low. AICertify imports nothing from langchain directly — every langchain use in our dep graph is transitive (langfair, posthog, sentry-sdk). The langchain_core APIs they touch (
langchain_core.messages.{HumanMessage,SystemMessage}) are stable across the major-version boundary.poetry lock --regeneratesucceeded; CI exercisespoetry install+import aicertify.After merge
AICertify's Dependabot dashboard should drop from 9 open → 1 open (just the transformers RC, which has no production-safe fix yet).