{"items":[{"id":"NVI-00011696","kind":"vulnerability","title":"vLLM: Harmony tool continuations drop `cache_salt` — restoring a cross-tenant prefix-cache membership oracle","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-935w-9g4m-p28p","CVE-2026-105752"],"plain_summary":"GitHub lists this reviewed advisory for vllm. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-649a4d1213383193b6a377e4f2dec674"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-06T00:02:03.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-040ce2edeabc3098021b9ae8fbfe2c82"},{"kind":"CVSS","as_of":"2026-10-08T01:29:51.587Z","value":"3.1 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-8479bf22685f60fb6f7bd79a1a9fc569"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.216%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.12137. Missing scores are unknown.","source_id":"sr-649a4d1213383193b6a377e4f2dec674"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-040ce2edeabc3098021b9ae8fbfe2c82","url":"https://github.com/advisories/GHSA-935w-9g4m-p28p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-935w-9g4m-p28p","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-8479bf22685f60fb6f7bd79a1a9fc569","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105752","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-105752","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:14.367Z"},{"id":"sr-649a4d1213383193b6a377e4f2dec674","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-105752","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.064Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-040ce2edeabc3098021b9ae8fbfe2c82"],"technology":"vllm","known_exclusions":[],"conditions_summary":"## Affected\n\n- **Ecosystem / package:** pip / `vllm`\n- **Affected versions:** vLLM ≤ 0.25.1 (confirmed on 0.25.1, commit `752a3a504485`). The lower bound predates 0.25.1; maintainers can confirm how far back the tool-continuation re-submission has omitted the salt.\n\n## Summary\n\nOn the GPT-OSS \"Harmony\" path (`POST /v1/responses`), a request that uses a built-in or MCP tool runs as a multi-turn loop: after each tool call vLLM re-renders the full next-turn Harmony prompt and re-submits it to the engine. Turn 1 correctly carries `request.cache_salt`, but the tool-continuation re-submission rebuilds the engine input via `tokens_input(token_ids)` with **no** `cache_salt`. The continuation prefix is therefore cached in the global *unsalted* namespace even though the caller opted into salting. A second tenant who can guess the low-entropy post-tool history submits the reconstructed continuation (unsalted) and reads exact per-turn cached-token counts from the Responses usage — restoring the prompt-membership oracle that `cache_salt` is documented to prevent.\n\nSilently dropping a preserved salt *after* the","public_affected_ranges":["< 0.30.0"]}],"null_published_at":"2026-11-08T15:11:49.384Z","source_updated_at":"2026-10-06T00:02:03.000Z","source_disclosed_at":"2026-10-06T00:02:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011696","kind":"vulnerability","title":"vLLM: Harmony tool continuations drop `cache_salt` — restoring a cross-tenant prefix-cache membership oracle","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-935w-9g4m-p28p","CVE-2026-105752"],"plain_summary":"GitHub lists this reviewed advisory for vllm. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-649a4d1213383193b6a377e4f2dec674"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-06T00:02:03.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-040ce2edeabc3098021b9ae8fbfe2c82"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.216%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.12137. Missing scores are unknown.","source_id":"sr-649a4d1213383193b6a377e4f2dec674"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-040ce2edeabc3098021b9ae8fbfe2c82","url":"https://github.com/advisories/GHSA-935w-9g4m-p28p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-935w-9g4m-p28p","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-649a4d1213383193b6a377e4f2dec674","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-105752","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.064Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-040ce2edeabc3098021b9ae8fbfe2c82"],"technology":"vllm","known_exclusions":[],"conditions_summary":"## Affected\n\n- **Ecosystem / package:** pip / `vllm`\n- **Affected versions:** vLLM ≤ 0.25.1 (confirmed on 0.25.1, commit `752a3a504485`). The lower bound predates 0.25.1; maintainers can confirm how far back the tool-continuation re-submission has omitted the salt.\n\n## Summary\n\nOn the GPT-OSS \"Harmony\" path (`POST /v1/responses`), a request that uses a built-in or MCP tool runs as a multi-turn loop: after each tool call vLLM re-renders the full next-turn Harmony prompt and re-submits it to the engine. Turn 1 correctly carries `request.cache_salt`, but the tool-continuation re-submission rebuilds the engine input via `tokens_input(token_ids)` with **no** `cache_salt`. The continuation prefix is therefore cached in the global *unsalted* namespace even though the caller opted into salting. A second tenant who can guess the low-entropy post-tool history submits the reconstructed continuation (unsalted) and reads exact per-turn cached-token counts from the Responses usage — restoring the prompt-membership oracle that `cache_salt` is documented to prevent.\n\nSilently dropping a preserved salt *after* the","public_affected_ranges":["< 0.30.0"]}],"null_published_at":"2026-11-01T22:58:19.136Z","source_updated_at":"2026-10-06T00:02:03.000Z","source_disclosed_at":"2026-10-06T00:02:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011696","kind":"vulnerability","title":"vLLM: Harmony tool continuations drop `cache_salt` — restoring a cross-tenant prefix-cache membership oracle","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-935w-9g4m-p28p","CVE-2026-105752"],"plain_summary":"GitHub lists this reviewed advisory for vllm. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-040ce2edeabc3098021b9ae8fbfe2c82"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-06T00:02:03.000Z","value":"3.1 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-040ce2edeabc3098021b9ae8fbfe2c82"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-040ce2edeabc3098021b9ae8fbfe2c82","url":"https://github.com/advisories/GHSA-935w-9g4m-p28p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-935w-9g4m-p28p","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-040ce2edeabc3098021b9ae8fbfe2c82"],"technology":"vllm","known_exclusions":[],"conditions_summary":"## Affected\n\n- **Ecosystem / package:** pip / `vllm`\n- **Affected versions:** vLLM ≤ 0.25.1 (confirmed on 0.25.1, commit `752a3a504485`). The lower bound predates 0.25.1; maintainers can confirm how far back the tool-continuation re-submission has omitted the salt.\n\n## Summary\n\nOn the GPT-OSS \"Harmony\" path (`POST /v1/responses`), a request that uses a built-in or MCP tool runs as a multi-turn loop: after each tool call vLLM re-renders the full next-turn Harmony prompt and re-submits it to the engine. Turn 1 correctly carries `request.cache_salt`, but the tool-continuation re-submission rebuilds the engine input via `tokens_input(token_ids)` with **no** `cache_salt`. The continuation prefix is therefore cached in the global *unsalted* namespace even though the caller opted into salting. A second tenant who can guess the low-entropy post-tool history submits the reconstructed continuation (unsalted) and reads exact per-turn cached-token counts from the Responses usage — restoring the prompt-membership oracle that `cache_salt` is documented to prevent.\n\nSilently dropping a preserved salt *after* the","public_affected_ranges":["< 0.30.0"]}],"null_published_at":"2026-11-01T01:03:56.585Z","source_updated_at":"2026-10-06T00:02:03.000Z","source_disclosed_at":"2026-10-06T00:02:02.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}