01 Record
CVE-2026-80350
OneUptime before 12.0.7 Server-Side Request Forgery via IPv4-Mapped IPv6 Webhook URL
HighPUBLISHEDCNA: VulnCheck
CNA base score7.1 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
02 Description
OneUptime before 12.0.7 Server-Side Request Forgery via IPv4-Mapped IPv6 Webhook URL
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
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.0% of scored records. A rank, not a probability.
- NVD base score
- 7.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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 2026-09-16.
- 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
- 2026-08-26 10:09Z2 MO AGO
- Last updated
- 2026-08-29 11:48Z2 MO AGO
- Reserved
- 2026-08-26
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.1)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-918Server-Side Request Forgery (SSRF)Base
- Data version
- 5.2
- Document digest
- 9c57ed36b944c78c04ee5eb63696ee82df45c88b544436539a07c2fc5e1f3d88
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/OneUptime/oneuptime
- github.comGitHub Security Advisory (GHSA-9g3w-r349-3vvw)https://github.com/OneUptime/oneuptime/security/advisories/GHSA-9g3w-r349-3vvw
- github.comhttps://github.com/OneUptime/oneuptime/issues/2578
- github.comhttps://github.com/OneUptime/oneuptime/blob/12.0.6/Common/Server/Utils/SSRFProtection.ts
- www.vulncheck.comVulnCheck Advisory: OneUptime before 12.0.7 Server-Side Request Forgery via IPv4-Mapped IPv6 Webhook URLhttps://www.vulncheck.com/advisories/oneuptime-before-12.0.7-server-side-request-forgery-via-ipv4-mapped-ipv6-webhook-url