CVE-2023-49095 json
nexkey allows arbitrary users to impersonate any remote user due to missing signature validation
published 2023-11-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53105
- cvss
- 8.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
nexkey is a microblogging platform. Insufficient validation of ActivityPub requests received in inbox could allow any user to impersonate another user in certain circumstances. This issue has been patched in version 12.122.2.
Patch / fix
- nexryai nexkey 12.122.2
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- nexryai nexkey
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/nexryai/nexkey/commit/b96da0eac5a1e75abba94cf926f1251842829bab
patch
-
github.com
/nexryai/nexkey/security/advisories/GHSA-fpxw-rw9v-2gmx
patch, third-party-advisory
Sources
- CVE List CVE-2023-49095
- NVD CVE-2023-49095
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.