Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
The Volo.Abp.Account.Web package, versions 5.1.0 up to but not including 10.0.0-rc.2, has an open redirect flaw in its register function. Improper validation of the returnUrl parameter lets an attacker send users to arbitrary external domains. Upgrade to Volo.Abp.Account.Web 10.0.0-rc.2 or later. The source gives few details about how the attack is delivered.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 5.3 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.0028, the 20th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:22 UTC First seen by agentprime
- 31 Oct 2026, 15:22 UTC Confirmed by OSV