{"items":[{"id":"NVI-00013777","kind":"vulnerability","title":"GitPython: Unguarded git read-tree option forwarding in IndexFile.from_tree/reset/merge_tree enables arbitrary file overwrite","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4gmw-gg2m-w46p","CVE-2026-76219"],"plain_summary":"GitHub lists this reviewed advisory for GitPython. 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-24698b26f687273ed1bd7767692030d1"],"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":"2026-09-08T20:54:35.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00f0cfba2cb11321d2567c78588b4fe1"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.543%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.45624. Missing scores are unknown.","source_id":"sr-24698b26f687273ed1bd7767692030d1"}],"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-00f0cfba2cb11321d2567c78588b4fe1","url":"https://github.com/advisories/GHSA-4gmw-gg2m-w46p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4gmw-gg2m-w46p","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:12.705Z"},{"id":"sr-24698b26f687273ed1bd7767692030d1","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-2026-76219","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.862Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00f0cfba2cb11321d2567c78588b4fe1"],"technology":"GitPython","known_exclusions":[],"conditions_summary":"## Summary\n`IndexFile.from_tree`, `IndexFile.reset` (→ from_tree) and `IndexFile.merge_tree` append caller-influenced treeish strings positionally to `git read-tree` with no unsafe-option guard, no `allow_unsafe_options` parameter, and no `--` separator. `git read-tree --index-output=` writes the resulting index to an arbitrary path, and last-occurrence-wins lets an injected `--index-output` override the method's internal temp path — clobbering an arbitrary file with a valid git-index blob. This is a distinct, never-guarded sink: commit `3af0c251` (GHSA-3f7w-8rr8-f37f) guarded only `checkout_index` and `tag`; `read_tree` was left unprotected (it is among the acknowledged unguarded call sites in that advisory's sweep but was never reported or fixed).\n\n## Root Cause\n`from_tree` (index/base.py:388), `reset` (delegates to from_tree), and `merge_tree` (index/base.py:291) call `repo.git.read_tree(*arg_list)` with no `check_unsafe_options` and no `--`. The treeish is caller-influenced and positional.\n\n## Impact\nArbitrary file overwrite / destruction at the privileges of the host process. Content is constrained to a git-index blob (not attacker-chosen, so not RCE), but the target pat","public_affected_ranges":["<= 3.1.57"]}],"null_published_at":"2026-11-07T14:01:58.746Z","source_updated_at":"2026-09-08T20:54:35.000Z","source_disclosed_at":"2026-08-07T15:33:57.000Z","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":"2026-11-01T22:54:12.705Z"},{"id":"NVI-00013777","kind":"vulnerability","title":"GitPython: Unguarded git read-tree option forwarding in IndexFile.from_tree/reset/merge_tree enables arbitrary file overwrite","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4gmw-gg2m-w46p","CVE-2026-76219"],"plain_summary":"GitHub lists this reviewed advisory for GitPython. 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-00f0cfba2cb11321d2567c78588b4fe1"],"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":"2026-09-08T20:54:35.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00f0cfba2cb11321d2567c78588b4fe1"}],"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-00f0cfba2cb11321d2567c78588b4fe1","url":"https://github.com/advisories/GHSA-4gmw-gg2m-w46p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4gmw-gg2m-w46p","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:12.705Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00f0cfba2cb11321d2567c78588b4fe1"],"technology":"GitPython","known_exclusions":[],"conditions_summary":"## Summary\n`IndexFile.from_tree`, `IndexFile.reset` (→ from_tree) and `IndexFile.merge_tree` append caller-influenced treeish strings positionally to `git read-tree` with no unsafe-option guard, no `allow_unsafe_options` parameter, and no `--` separator. `git read-tree --index-output=` writes the resulting index to an arbitrary path, and last-occurrence-wins lets an injected `--index-output` override the method's internal temp path — clobbering an arbitrary file with a valid git-index blob. This is a distinct, never-guarded sink: commit `3af0c251` (GHSA-3f7w-8rr8-f37f) guarded only `checkout_index` and `tag`; `read_tree` was left unprotected (it is among the acknowledged unguarded call sites in that advisory's sweep but was never reported or fixed).\n\n## Root Cause\n`from_tree` (index/base.py:388), `reset` (delegates to from_tree), and `merge_tree` (index/base.py:291) call `repo.git.read_tree(*arg_list)` with no `check_unsafe_options` and no `--`. The treeish is caller-influenced and positional.\n\n## Impact\nArbitrary file overwrite / destruction at the privileges of the host process. Content is constrained to a git-index blob (not attacker-chosen, so not RCE), but the target pat","public_affected_ranges":["<= 3.1.57"]}],"null_published_at":"2026-11-02T10:00:37.147Z","source_updated_at":"2026-09-08T20:54:35.000Z","source_disclosed_at":"2026-08-07T15:33:57.000Z","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":"2026-11-01T22:54:12.705Z"}],"next_cursor":null,"snapshot_revision":"42594"}