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CVE-2026-7724

A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validate_restricted_url of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.6.28.dev2 addresses this issue. The ident
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1620fcbd4ea166097a1baa574181cf4fc5f1eb9af1c7cc6921aaead265e1357f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4.6,"vectorString":"AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-367","description":"Time-of-check Time-of-use","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-362","description":"Race Condition","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:prefect:prefect:*:*:*:*:*:*:*:*"],"modules":["Webhook/Notification"],"product":"prefect","vendor":"PrefectHQ","versions":[{"status":"affected","version":"3.6.28.dev1"},{"status":"unaffected","version":"3.6.28.dev2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":2.3,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4.6,"vectorString":"AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-367","description":"Time-of-check Time-of-use","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-362","description":"Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/problemTypes/1/descriptions/0

Source references

9 source assertions
{"tags":["exploit"],"url":"https://gist.github.com/nedlir/fa99777e8989414585d08c3625bf044a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/5
{"tags":["product"],"url":"https://github.com/PrefectHQ/prefect/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/8
{"tags":["patch"],"url":"https://github.com/PrefectHQ/prefect/commit/7c70ac54a5e101431d83b9f2681ec88d5e0021ed"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/6
{"tags":["issue-tracking","patch"],"url":"https://github.com/PrefectHQ/prefect/pull/21591"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/PrefectHQ/prefect/releases/tag/3.6.28.dev2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/7
{"tags":["issue-tracking"],"url":"https://linear.app/prefect/issue/OSS-7874/fix-dns-rebinding-toctou-bypass-in-validate-restricted-url"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/3
{"name":"Submit #807303 | PerfectHQ Perfect >=3.6.26 Time-of-check Time-of-use","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/807303"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/2
{"name":"VDB-360900 | PrefectHQ prefect Webhook/Notification validate_restricted_url toctou","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/360900"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/0
{"name":"VDB-360900 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/360900/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9530a461e4db89726ec703a1cee4cddd8b170d53201295ebe5dd6a8243dc5070 · sha256:ee5f33096c97aaac… · /containers/cna/references/1

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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