{"items":[{"id":"NVI-00015400","kind":"vulnerability","title":"Oh My Posh: Terminal escape sequence injection via unsanitized prompt segment data","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fwjx-9p69-h25h","CVE-2026-73506"],"plain_summary":"GitHub lists this reviewed advisory for github.com/jandedobbeleer/oh-my-posh. 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-042d617e7df5a42008c269ce9ecc4fe0"],"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":"2026-08-13T14:23:13.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6428e874c503b20af5fd7cc7b079e7af"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.179%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.07524. Missing scores are unknown.","source_id":"sr-042d617e7df5a42008c269ce9ecc4fe0"}],"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-6428e874c503b20af5fd7cc7b079e7af","url":"https://github.com/advisories/GHSA-fwjx-9p69-h25h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fwjx-9p69-h25h","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:16:47.162Z"},{"id":"sr-042d617e7df5a42008c269ce9ecc4fe0","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-2026-73506","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6428e874c503b20af5fd7cc7b079e7af"],"technology":"github.com/jandedobbeleer/oh-my-posh","known_exclusions":[],"conditions_summary":"### Summary\nOh My Posh renders dynamic, potentially attacker-controlled strings (the current directory name, Git commit metadata, environment variable values, command output) into the prompt without neutralizing raw terminal control characters. An attacker who controls one of these values can inject ANSI/OSC escape sequences that the victim's terminal executes on every prompt render. (This is separate from the path-segment command-execution report; it has a different root cause and fix.)\n\n### Details\n`src/terminal/writer.go`, `write(s rune)`: the literal characters of rendered segment content are emitted to the output buffer, and the only neutralization is a lookup in `formats.EscapeSequences`, which per shell contains only the shell's prompt-length markers (`\\` for bash, `%` for zsh, nothing for fish/pwsh/cmd/nu). Raw C0/C1 control bytes (ESC `0x1b`, BEL `0x07`, CSI, OSC) are written verbatim.\n\nOh My Posh's own styling is emitted through separate paths (`writeEscapedAnsiString`, `writeColorise`, `builder.WriteString(formats.Hyperlink...)`), so any control rune reaching `write(s rune)` originates from rendered data. `trimAnsi` is already applied to the console title (`FormatTitle`)","public_affected_ranges":["<= 29.35.0"]}],"null_published_at":"2026-11-06T07:24:11.248Z","source_updated_at":"2026-08-13T14:23:13.000Z","source_disclosed_at":"2026-07-24T22:35:52.000Z","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":"2026-11-02T20:16:47.162Z"},{"id":"NVI-00015400","kind":"vulnerability","title":"Oh My Posh: Terminal escape sequence injection via unsanitized prompt segment data","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fwjx-9p69-h25h","CVE-2026-73506"],"plain_summary":"GitHub lists this reviewed advisory for github.com/jandedobbeleer/oh-my-posh. 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-6428e874c503b20af5fd7cc7b079e7af"],"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":"2026-08-13T14:23:13.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6428e874c503b20af5fd7cc7b079e7af"}],"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-6428e874c503b20af5fd7cc7b079e7af","url":"https://github.com/advisories/GHSA-fwjx-9p69-h25h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fwjx-9p69-h25h","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:16:47.162Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6428e874c503b20af5fd7cc7b079e7af"],"technology":"github.com/jandedobbeleer/oh-my-posh","known_exclusions":[],"conditions_summary":"### Summary\nOh My Posh renders dynamic, potentially attacker-controlled strings (the current directory name, Git commit metadata, environment variable values, command output) into the prompt without neutralizing raw terminal control characters. An attacker who controls one of these values can inject ANSI/OSC escape sequences that the victim's terminal executes on every prompt render. (This is separate from the path-segment command-execution report; it has a different root cause and fix.)\n\n### Details\n`src/terminal/writer.go`, `write(s rune)`: the literal characters of rendered segment content are emitted to the output buffer, and the only neutralization is a lookup in `formats.EscapeSequences`, which per shell contains only the shell's prompt-length markers (`\\` for bash, `%` for zsh, nothing for fish/pwsh/cmd/nu). Raw C0/C1 control bytes (ESC `0x1b`, BEL `0x07`, CSI, OSC) are written verbatim.\n\nOh My Posh's own styling is emitted through separate paths (`writeEscapedAnsiString`, `writeColorise`, `builder.WriteString(formats.Hyperlink...)`), so any control rune reaching `write(s rune)` originates from rendered data. `trimAnsi` is already applied to the console title (`FormatTitle`)","public_affected_ranges":["<= 29.35.0"]}],"null_published_at":"2026-11-03T10:03:31.362Z","source_updated_at":"2026-08-13T14:23:13.000Z","source_disclosed_at":"2026-07-24T22:35:52.000Z","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":"2026-11-02T20:16:47.162Z"}],"next_cursor":null,"snapshot_revision":"42594"}