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LangChain family 1.x / langgraph 1.2.14 line - #264

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WSHAPER wants to merge 3 commits into
nextcloud:mainfrom
WSHAPER:feat/sbom-langchain-1x
Open

WSHAPER wants to merge 3 commits into
nextcloud:mainfrom
WSHAPER:feat/sbom-langchain-1x

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@WSHAPER WSHAPER commented Oct 12, 2026

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Coordinated bump so the family lands on the lines where several published advisories are fixed: langchain 1.4.3, core 1.6.7 (direct now), community 0.4.2, mcp-adapters 0.3.2, langgraph 1.2.14, checkpoint 4.2.0 (direct), sdk 0.4.6. Also pins Reviver(allowed_objects="core") in the jsonplus serde the way upstream checkpoint 4.2.0 does.

The last commit adds a StateGraph smoke test, drop it with git reset --hard HEAD~1 if tests/ should not land here.

Smoke test 4/4, all all_tools modules and mcp_server import, msgpack roundtrip including the signed token shape, SitemapLoader unused.

community is sunset upstream (#674), the two community tools work on 0.4.2 and should re-home eventually. websockets is pinned down to 16.1.1. Integration checks fail on main (llm2 backend), unrelated.

Coordinated bump clearing the SBOM advisory ranges (report 04):
- langchain 0.3.30 -> 1.4.3 (>=1.3.9, CVE-2026-55443)
- langchain-core 0.3.86 -> 1.6.7 (>=1.4.7, CVE-2026-34070/26013; now direct dep)
- langchain-community 0.3.31 -> 0.4.2 (1.x-era release; SitemapLoader remains unused/banned)
- langchain-text-splitters 0.3.11 -> 1.1.3 (CVE-2026-41481)
- langchain-mcp-adapters 0.1.14 -> 0.3.2
- langgraph 1.0.1 -> 1.2.14 (CVE-2026-28277 range)
- langgraph-checkpoint 3.0.1 -> 4.2.0 (>=4.1.1, CVE-2026-27794/48775; now direct dep)
- langgraph-sdk 0.2.15 -> 0.4.6 (CVE-2026-48776/104873)

Signed-off-by: WSHAPER <42714629+WSHAPER@users.noreply.github.com>
Assisted-by: opencode:zai/glm-5.3
langchain-core 1.6 changed Reviver() to warn about its pending default
change for allowed_objects. Pin allowed_objects="core" explicitly,
mirroring upstream langgraph-checkpoint 4.2.0's JsonPlusSerializer.

Signed-off-by: WSHAPER <42714629+WSHAPER@users.noreply.github.com>
Assisted-by: opencode:zai/glm-5.3
…nter, custom serde

Regression guard for the LangChain 1.x family bump: builds the agent graph
(get_graph) with the custom ChatWithNextcloud BaseChatModel and the vendored
InMemorySaver on langgraph 1.2.14 / langchain-core 1.6.7 / checkpoint 4.2.0,
drives an interrupt-before-dangerous-tools turn pair (tool call -> resume),
and round-trips JsonPlusSerializer in both msgpack-typed and signed-token
JSON shapes. Runnable standalone (python tests/test_graph_smoke.py) or pytest.

Signed-off-by: WSHAPER <42714629+WSHAPER@users.noreply.github.com>
Assisted-by: opencode:zai/glm-5.3
@WSHAPER WSHAPER closed this Oct 13, 2026
@WSHAPER
WSHAPER deleted the feat/sbom-langchain-1x branch October 13, 2026 12:00
@WSHAPER
WSHAPER restored the feat/sbom-langchain-1x branch October 13, 2026 12:00
@WSHAPER WSHAPER reopened this Oct 13, 2026
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