CVE Explorer

CVE-2026-53765

Chrome DevTools for agents (chrome-devtools-mcp) lets your coding agent control and inspect a live Chrome browser. From 0.20.0 until 1.1.0, The chrome-devtools-mcp daemon writes its PID file with fs.writeFileSync() to a deterministic runtime path. On typical macOS environments, and on Linux sessions where $XDG_RUNTIME_DIR is unset, that runtime path falls back to /tmp/chrome-devtools-mcp-<uid>/daemon.pid. Because the write does not use O_NOFOLLOW, a local low-privilege user on the same POSIX hos

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c1b8c231d4b330c1550e384f545cec7bcf4cd059ee63b63ba34c9a5cdbf4b3fa

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"chrome-devtools-mcp","vendor":"ChromeDevTools","versions":[{"status":"affected","version":">= 0.20.0, < 1.1.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4a2d94cdbc7cfd0a4a288851b1b93a4fdb5713dba65542f98dd5a498ba89d608 · sha256:efebe40a8e392210… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:4a2d94cdbc7cfd0a4a288851b1b93a4fdb5713dba65542f98dd5a498ba89d608 · sha256:efebe40a8e392210… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"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:v2:4a2d94cdbc7cfd0a4a288851b1b93a4fdb5713dba65542f98dd5a498ba89d608 · sha256:efebe40a8e392210… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/ChromeDevTools/chrome-devtools-mcp/security/advisories/GHSA-3pvj-jv98-qhjq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/ChromeDevTools/chrome-devtools-mcp/security/advisories/GHSA-3pvj-jv98-qhjq"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4a2d94cdbc7cfd0a4a288851b1b93a4fdb5713dba65542f98dd5a498ba89d608 · sha256:efebe40a8e392210… · /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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