{"items":[{"id":"NVI-00011821","kind":"vulnerability","title":"virtualenv bash activate runs commands from an environment name with a backslash before $","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vxj4-q4g9-crj7","CVE-2026-113725"],"plain_summary":"GitHub lists this reviewed advisory for virtualenv. 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-361cce092d63e2f275b673a1b3304b19"],"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":"2026-10-21T16:49:02.000Z","value":"7.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-39b0266b9a9719c313e68c369f152534"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.263%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.18246. Missing scores are unknown.","source_id":"sr-361cce092d63e2f275b673a1b3304b19"}],"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-39b0266b9a9719c313e68c369f152534","url":"https://github.com/advisories/GHSA-vxj4-q4g9-crj7","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vxj4-q4g9-crj7","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"},{"id":"sr-361cce092d63e2f275b673a1b3304b19","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-2026-113725","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.067Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-39b0266b9a9719c313e68c369f152534"],"technology":"virtualenv","known_exclusions":[],"conditions_summary":"### Summary\n\nThe bash `activate` script escapes the environment name for only one of the two passes bash makes over `PS1`, so a\nbackslash in the name undoes the escaping and a name containing `\\$(...)` runs as commands in the user's shell each\ntime bash draws the prompt.\n\n### Affected area\n\n`src/virtualenv/activation/bash/activate.sh`, the block that prepends the environment name to `PS1`.\n\n### Attacker-controlled input\n\nThe environment name: the environment directory's name, or the `--prompt` or `VIRTUALENV_PROMPT` value. An attacker\nneeds to influence it, for example through a CI job or wrapper tool that passes a branch, project or job name through,\nor a directory in a cloned repository or unpacked archive. `--prompt .` takes the current directory's name.\n\n### Details\n\nbash handles `PS1` in two passes each time it draws the prompt: it first decodes backslash prompt escapes, turning `\\\\`\ninto `\\` and `\\$` into `$` (or `#` for root), and then runs parameter expansion, command substitution and arithmetic\nexpansion on the result. Since 21.13.0 the script escapes backslashes, dollar signs and backticks in the name, but only\nfor the second pass, so the decode pass strips the escaping t","public_affected_ranges":["<= 21.14.6"]}],"null_published_at":"2026-11-01T14:34:14.120Z","source_updated_at":"2026-10-21T16:49:02.000Z","source_disclosed_at":"2026-10-21T16:49:01.000Z","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":"2026-10-31T23:13:39.183Z"},{"id":"NVI-00011821","kind":"vulnerability","title":"virtualenv bash activate runs commands from an environment name with a backslash before $","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vxj4-q4g9-crj7","CVE-2026-113725"],"plain_summary":"GitHub lists this reviewed advisory for virtualenv. 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-39b0266b9a9719c313e68c369f152534"],"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":"2026-10-21T16:49:02.000Z","value":"7.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-39b0266b9a9719c313e68c369f152534"}],"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-39b0266b9a9719c313e68c369f152534","url":"https://github.com/advisories/GHSA-vxj4-q4g9-crj7","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vxj4-q4g9-crj7","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-39b0266b9a9719c313e68c369f152534"],"technology":"virtualenv","known_exclusions":[],"conditions_summary":"### Summary\n\nThe bash `activate` script escapes the environment name for only one of the two passes bash makes over `PS1`, so a\nbackslash in the name undoes the escaping and a name containing `\\$(...)` runs as commands in the user's shell each\ntime bash draws the prompt.\n\n### Affected area\n\n`src/virtualenv/activation/bash/activate.sh`, the block that prepends the environment name to `PS1`.\n\n### Attacker-controlled input\n\nThe environment name: the environment directory's name, or the `--prompt` or `VIRTUALENV_PROMPT` value. An attacker\nneeds to influence it, for example through a CI job or wrapper tool that passes a branch, project or job name through,\nor a directory in a cloned repository or unpacked archive. `--prompt .` takes the current directory's name.\n\n### Details\n\nbash handles `PS1` in two passes each time it draws the prompt: it first decodes backslash prompt escapes, turning `\\\\`\ninto `\\` and `\\$` into `$` (or `#` for root), and then runs parameter expansion, command substitution and arithmetic\nexpansion on the result. Since 21.13.0 the script escapes backslashes, dollar signs and backticks in the name, but only\nfor the second pass, so the decode pass strips the escaping t","public_affected_ranges":["<= 21.14.6"]}],"null_published_at":"2026-11-01T01:03:56.608Z","source_updated_at":"2026-10-21T16:49:02.000Z","source_disclosed_at":"2026-10-21T16:49:01.000Z","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":"2026-10-31T23:13:39.183Z"}],"next_cursor":null,"snapshot_revision":"39771"}