{"id":"CVE-2026-122136","aliases":["EUVD-2026-117090","GHSA-v68w-4wfv-crrh"],"status":"published","title":"Powerlevel10k before 1.20.19 Symlink Following via Instant Prompt Temporary File","description":"Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-\u003cuser\u003e-\u003cpid\u003e in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.","severity":{"version":"4.0","score":4.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0012,"percentile":0.01812,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2026-11-04T20:36:54Z","modified":"2026-11-05T10:46:05Z","products":[{"vendor":"romkatv","product":"powerlevel10k"}],"references":[{"url":"https://github.com/romkatv/powerlevel10k/issues/2972","tags":["issue-tracking","report"]},{"url":"https://github.com/romkatv/powerlevel10k","tags":["product","package"]},{"url":"https://github.com/romkatv/powerlevel10k/commit/7ddd1b2715c3844275214347a3572ac1fdd6dc39","tags":["patch","fix"]},{"url":"https://github.com/romkatv/powerlevel10k/blob/v1.20.0/internal/p10k.zsh#L6445-L6452","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/powerlevel10k-before-1.20.19-symlink-following-via-instant-prompt-temporary-file","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122136","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v68w-4wfv-crrh"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122136.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-122136","title":"Powerlevel10k before 1.20.19 Symlink Following via Instant Prompt Temporary File","description":"Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-\u003cuser\u003e-\u003cpid\u003e in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.","status":"published","published":"2026-11-04T20:36:54.467Z","modified":"2026-11-09T16:59:27.273Z","cvss":[{"version":"4.0","score":4.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-09T17:34:05.130069Z"}],"euvd":[{"id":"EUVD-2026-117090","description":"Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-\u003cuser\u003e-\u003cpid\u003e in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.","status":"published","published":"2026-11-04T20:36:54Z","modified":"2026-11-09T16:59:27Z","cvss":[{"version":"4.0","score":4.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-09T18:17:39.592818Z"}],"ghsa":[{"id":"GHSA-v68w-4wfv-crrh","title":"Powerlevel10k before 1.20.19 contains a symlink following vulnerability in...","description":"Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-\u003cuser\u003e-\u003cpid\u003e in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.","status":"published","published":"2026-11-04T21:32:32Z","modified":"2026-11-04T21:32:32Z","cvss":[{"version":"4.0","score":4.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-04T21:42:45.289646Z"}],"nvd":[{"id":"CVE-2026-122136","description":"Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-\u003cuser\u003e-\u003cpid\u003e in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.","status":"published","published":"2026-11-04T21:18:09.587Z","modified":"2026-11-09T17:17:20.783Z","cvss":[{"version":"4.0","score":4.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-09T20:15:34.048597Z"}],"osv":[{"id":"CVE-2026-122136","title":"Powerlevel10k before 1.20.19 Symlink Following via Instant Prompt Temporary File","description":"Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-\u003cuser\u003e-\u003cpid\u003e in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.","status":"published","published":"2026-11-04T20:36:54.467Z","modified":"2026-11-05T21:32:23.780333292Z","cvss":[{"version":"4.0","score":4.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-59"],"updated_at":"2026-11-05T22:00:34.245765Z"}]}}