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Fencer Vulns
low 3.1

CVE-2026-4549 json

mickasmt next-saas-stripe-starter Stripe API open-customer-portal.ts openCustomerPortal authorization

published 2026-03-22 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-14308

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

A flaw has been found in mickasmt next-saas-stripe-starter 1.0.0. Affected by this issue is the function openCustomerPortal of the file actions/open-customer-portal.ts of the component Stripe API. This manipulation causes authorization bypass. Remote exploitation of the attack is possible. The complexity of an attack is rather high. The exploitation is known to be difficult.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
7 mo ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R
CNA 3.0 3.1 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R
CNA 2.0 2.1 AV:N/AC:H/Au:S/C:P/I:N/A:N/E:ND/RL:ND/RC:UR
CNA 4.0 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/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
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 2.0 2.1 AV:N/AC:H/Au:S/C:P/I:N/A:N

Affected products

  • mickasmt next-saas-stripe-starter

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key
  • CWE-285 Improper Authorization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.