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CVE-2026-54055

Kitty is a cross-platform GPU based terminal. In versions prior to 0.47.2, a local privilege escalation vulnerability exists in kitty's file transmission protocol where a child process running in the terminal can write to arbitrary files on the filesystem by exploiting a TOCTOU (Time-of-Check-Time-of-Use) race condition between symlink validation and file creation. The `os.open()` call used to create files does not use `O_NOFOLLOW`, allowing an attacker to create a symlink between the initial st
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d7619002d6458eabf0499cbb43ea5a5e6a7fb915778748d9fbdd81f4b0f06815
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-426","description":"CWE-426: Untrusted Search Path","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"kitty","vendor":"kovidgoyal","versions":[{"status":"affected","version":"< 0.47.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-426","description":"CWE-426: Untrusted Search Path","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/kovidgoyal/kitty/security/advisories/GHSA-q446-x7q6-vcxh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/adp/0/references/0
{"name":"https://github.com/kovidgoyal/kitty/security/advisories/GHSA-q446-x7q6-vcxh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kovidgoyal/kitty/security/advisories/GHSA-q446-x7q6-vcxh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eb308cb382fbbda6f53a99a69841dc0df3d7a992a18b1266dc6fc3681699adeb · sha256:816a96f7855852e8… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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