VertexAGI/cyberdata-full

CyberData Full

479,214 SFT examples: every example from all five source datasets (verified agentic-coding trajectories, agent behavior, and structured vulnerability intelligence), built entirely from non-gated, redistributable sources.

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The CyberData family

Size	Repo	Examples	Train	Valid
Small	VertexAGI/cyberdata-small	15,000	13,800	1,200
Medium	VertexAGI/cyberdata-medium	25,000	23,009	1,991
Large	VertexAGI/cyberdata-large	65,000	59,745	5,255
Full	VertexAGI/cyberdata-full	479,214	440,873	38,341

The four sizes are strictly nested: Small ⊂ Medium ⊂ Large ⊂ Full. Every row in a smaller size is in the larger ones, byte for byte, and keeps its train/validation assignment, so you can train on a larger size and evaluate on a smaller size's validation set without leakage. row_index.csv marks each row's membership (in_small, in_medium, in_large).

Composition

Source	Examples	%	What it contributes
nvidia/SWE-Hero-openhands-trajectories	34,269	7.2%	Execution-based software-engineering agent trajectories (OpenHands framework): every row
nvidia/Open-SWE-Traces	162,600	33.9%	Multi-harness (OpenHands, SWE-agent, mini-swe-agent) coding-agent trajectories, resolved=1 only (patch verified to fix the task): every such trajectory
0xKitkat/AgentForge-1152	1,152	0.2%	Evidence-grounded agent trajectories: the security split (576, defensive cybersecurity) and the general-reasoning split (576): the whole dataset
ismailtasdelen/unified-vulnerability-intelligence-dataset	500	0.1%	Structured vulnerability knowledge (CWE, CAPEC, MITRE ATT&CK, OWASP, CVSS, remediation, detection) templated into Q&A: the whole dataset
stasvinokur/cve-and-cwe-dataset-1999-2025	280,693	58.6%	Real NVD CVE records (1999-2025) with severity, CVSS and CWE classification, templated into Q&A: every record with a usable description
Total	479,214	100%

What "full" means here

Small, Medium and Large are resamples in fixed proportions. This is not: it takes everything each source has under the same inclusion rules the smaller sizes use.

• Open-SWE-Traces: all trajectories with resolved=1 (162,600). The upstream repo has 511,668 trajectories, but the other ~349,000 are runs where the agent's patch did not fix the task; they are excluded here, as in every CyberData size, to keep the "verified resolved" guarantee.
• SWE-Hero: all 34,269 rows.
• AgentForge-1152: all 1,152 rows. Small/Medium/Large carry only its 576-row security split; Full also adds the 576-row general-reasoning split (task_type: general_reasoning), which is not cybersecurity content.
• UVID (all 500) and CVE/CWE (every record with a usable description, 280,693 of 280,694) are templated into single-turn Q&A with the same deterministic template as before: every fact in an answer comes from a column in that row, blank fields are omitted, and nothing is inferred or generated by another model.

Because the CVE/CWE table is large, templated Q&A is 59% of the rows here (it was 17% of Small). The mix by tokens is the opposite: one agent trajectory is typically tens of thousands of tokens, a CVE answer a few hundred, so the agentic coding data still dominates what a model actually sees. If you want Small's row proportions, use Medium or Large.

Format

Each line is {"messages": [...]}, standard chat SFT format; some assistant turns carry tool_calls (the agentic-coding trajectories).

• train-NNNNN.jsonl: 440,873 training examples in 60 shards. Each of the first 51 shards mixes several upstream files plus a slice of the CVE/CWE rows; the last 9 hold only CVE/CWE (and a few UVID/AgentForge) rows. Every shard is shuffled inside, but shards are not globally shuffled, so shuffle when training.
• valid-NNNNN.jsonl: 38,341 validation examples in 6 shards (about 8%, the same share as Small; Small's own validation rows stay validation).
• row_index.csv: id, source, split, in_small, in_medium, in_large
• stats.json, build_scripts/

from datasets import load_dataset
ds = load_dataset("VertexAGI/cyberdata-full")            # large: use streaming=True unless you have the disk
print(ds["train"][0]["messages"])

Licensing

This is a mixture of five independently licensed sources: CC-BY-4.0 (nvidia/SWE-Hero-openhands-trajectories, nvidia/Open-SWE-Traces), Apache-2.0 (0xKitkat/AgentForge-1152), MIT (ismailtasdelen/unified-vulnerability-intelligence-dataset) and CC0-1.0 (stasvinokur/cve-and-cwe-dataset-1999-2025). No source in this mix is gated or carries a non-commercial restriction. If you redistribute this dataset, retain attribution to each upstream source above, per their licenses (required for the CC-BY-4.0 portions).

Quality checks performed

Run on the final data before release (build_scripts/full_publish.py verify):

• Every source's full amount is present: SWE-Hero 34,269, Open-SWE-Traces resolved 162,600, AgentForge 1,152, UVID 500, CVE/CWE 280,693.
• Exactly 479,214 examples; zero duplicate ids; every row was checked at build time (at least two messages, valid roles, string content) and zero were dropped as malformed.
• All 15,000 Small, 25,000 Medium and 65,000 Large ids are present with the same train/validation assignment.
• Validation share is 8.00%.
• Every row of Large's valid.jsonl was checked byte for byte against the corresponding row in Full.
• Every shard was uploaded and its size confirmed on the Hub.

Limitations

This is a collection of upstream sources, not a from-scratch curated dataset: quality is bounded by the sources. The CVE/CWE and UVID portions are templated Q&A, not natural conversation; they teach the answer format and style and are not a verified knowledge base, so a model fine-tuned on them can still state wrong CVE/CWE facts. The AgentForge general-reasoning split is not cybersecurity content. By row count the set is mostly short CVE/CWE Q&A, and the cybersecurity-agent and vulnerability-knowledge portions other than CVE/CWE are tiny (0.34% of rows). The agentic-coding trajectories are long (tens of thousands of tokens each), so training on them directly needs a plan for long context or windowing.