# NousResearch/hermes-agent · Reject truncated images before vision embedding

## Open now

- Nothing open on GitHub.

These issues and PRs concern a bug where truncated or corrupt raster images reach the vision provider and cause persistent 400 errors, and fixes to detect and reject such images earlier, before they are sent for embedding.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #97079. Verify it addresses your case.
- **Recommended:** read PR #97079 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-97079`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #76884: \[Bug\]: Truncated raster image poisons native vision session with persistent Codex 400

## Prior & competing PRs

- **#97079: fix(vision): corrupt or truncated images are rejected before embedding, not after a provider 400 (salvage #53307 + #76896)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `contributors/emails/[redacted:email]`, `tests/tools/test_image_source.py`, `tests/tools/test_vision_native_fast_path.py`, `tests/tools/test_vision_tools.py`, `tools/vision_tools.py`
- **#76896: fix(vision): reject truncated images before embedding**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#97079`, `#53307`, `#76884`

## Fix status

- Merged to main in PR #97079 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-28`.
- Subsystem: `agent`