CVE-2025-8549: A vulnerability was found in atjiu pybbs up to 6.0.0
CVE-2025-8549 is a low-severity flaw (CVSS 3.7) affecting pybbs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability was found in atjiu pybbs up to 6.0.0. It has been classified as critical. Affected is the function update of the file src/main/java/co/yiiu/pybbs/controller/admin/UserAdminController.java. The manipulation leads to weak password requirements. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be u
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 59%) |
| CISA exploited list | No |
| Weakness | CWE-521 |
| Published | 2025-08-05 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-8549?
pybbs: upgrade to newer than 6.0.0. Exact commands for each OS are on this page.
Is CVE-2025-8549 being exploited?
CVE-2025-8549 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-8549 affect?
CVE-2025-8549 affects pybbs. Severity is low (CVSS 3.7). A vulnerability was found in atjiu pybbs up to 6.0.0. It has been classified as critical. Affected is the function update of the file src/main/java/co/yiiu/pybbs/controller/admin/UserAdminController.java. The manipulation leads to weak pass
How urgent is CVE-2025-8549?
Priority 33/100. Public exploit reference; Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2025-12297 MEDIUM 4.3 UPGRADE A vulnerability was detected in atjiu pybbs up to 6.0.0
- CVE-2025-8814 MEDIUM 4.3 UPGRADE A vulnerability was found in atjiu pybbs up to 6.0.0 and classified as problematic
- CVE-2025-8813 LOW 3.5 UPGRADE A vulnerability has been found in atjiu pybbs up to 6.0.0 and classified as problematic
- CVE-2025-8812 LOW 2.4 UPGRADE A vulnerability, which was classified as problematic, was found in atjiu pybbs up to 6.0.0
- CVE-2025-8555 LOW 3.5 UPGRADE A vulnerability, which was classified as problematic, was found in atjiu pybbs up to 6.0.0