CVE-2025-28104 json
Incorrect access control in laskBlog v2.6.1 allows attackers to access all usernames via a crafted input.
published last yr. modified 4mo ago also EUVD-2025-12356
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
Incorrect access control in laskBlog v2.6.1 allows attackers to access all usernames via a crafted input.
Is CVE-2025-28104 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/DogukanUrker/flaskBlog/issues/130 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/DogukanUrker/flaskBlog/issues/130
exploit, issue-tracking, third-party-advisory
-
gist.github.com
/coleak2021/d5fea0f7d32a2de38130da089f4fb735
third-party-advisory
Sources
- CVE List CVE-2025-28104
- NVD CVE-2025-28104
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