01 Record
CVE-2026-7724
PrefectHQ prefect Webhook/Notification validate_restricted_url toctou
LowPUBLISHEDCNA: VulDB
CNA base score2.3 CVSS v4.0CVSS: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
02 Description
PrefectHQ prefect Webhook/Notification validate_restricted_url toctou
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.25% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 16.1% of scored records. A rank, not a probability.
- NVD base score
- 1.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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/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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-26.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-04 02:45Z5 MO AGO
- Last updated
- 2026-05-05 00:54Z5 MO AGO
- Reserved
- 2026-05-03
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.3)
- CNA CVSS vector
- 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
- Weaknesses
- Data version
- 5.2
- Document digest
- ee5f33096c97aaac54cec02fe3b274eaf8a9aef8cbb681f1565049b374357d34
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-360900 | PrefectHQ prefect Webhook/Notification validate_restricted_url toctouhttps://vuldb.com/vuln/360900
- vuldb.comVDB-360900 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/360900/cti
- vuldb.comSubmit #807303 | PerfectHQ Perfect >=3.6.26 Time-of-check Time-of-usehttps://vuldb.com/submit/807303
- linear.apphttps://linear.app/prefect/issue/OSS-7874/fix-dns-rebinding-toctou-bypass-in-validate-restricted-url
- github.comhttps://github.com/PrefectHQ/prefect/pull/21591
- gist.github.comhttps://gist.github.com/nedlir/fa99777e8989414585d08c3625bf044a
- github.comhttps://github.com/PrefectHQ/prefect/commit/7c70ac54a5e101431d83b9f2681ec88d5e0021ed
- github.comhttps://github.com/PrefectHQ/prefect/releases/tag/3.6.28.dev2
- github.comhttps://github.com/PrefectHQ/prefect/