CVE-2026-107828 Jivejdon through 5.0 Predictable Passwords via Sina Weibo OAuth Login
Attackers can bypass authentication and take over accounts by deriving predictable passwords from public Weibo IDs in Jivejdon.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-107828?
CVE-2026-107828 is a medium-severity authentication bypass vulnerability in banq jivejdon, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Jivejdon through 5.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to access Weibo-created accounts by deriving predictable credentials from public Weibo user IDs. OAuthAccountServiceImp.transferSina() sets the password to the first four digits of the Weibo ID, letting attackers log in through normal form login to read or post as victims.
Weakness: CWE-1391
Which versions are affected by CVE-2026-107828?
How do I fix CVE-2026-107828?
No fix has been published for CVE-2026-107828 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-107828 being exploited?
There is no known exploitation of CVE-2026-107828 in the wild and no public exploit code.
Sources
Also known as GHSA-x2f9-rf6f-hf58.