{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-122136","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-04T18:13:12.570Z","datePublished":"2026-11-04T20:36:54.467Z","dateUpdated":"2026-11-04T20:36:54.467Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-04T20:36:54.467Z"},"datePublic":"2026-10-31T00:00:00.000Z","title":"Powerlevel10k before 1.20.19 Symlink Following via Instant Prompt Temporary File","descriptions":[{"lang":"en","value":"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-<user>-<pid> in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Link Resolution Before File Access ('Link Following')","cweId":"CWE-59","type":"CWE"}]}],"affected":[{"vendor":"romkatv","product":"powerlevel10k","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.20.19","versionType":"custom"}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":4.1,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":4.4,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/romkatv/powerlevel10k/issues/2972","tags":["issue-tracking"],"name":"GitHub Issue #2972"},{"url":"https://github.com/romkatv/powerlevel10k","tags":["product"]},{"url":"https://github.com/romkatv/powerlevel10k/commit/7ddd1b2715c3844275214347a3572ac1fdd6dc39","tags":["patch"]},{"url":"https://github.com/romkatv/powerlevel10k/blob/v1.20.0/internal/p10k.zsh#L6445-L6452","tags":["technical-description"]},{"name":"VulnCheck Advisory: Powerlevel10k before 1.20.19 Symlink Following via Instant Prompt Temporary File","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/powerlevel10k-before-1.20.19-symlink-following-via-instant-prompt-temporary-file"}],"credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}