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Fencer Vulns
medium 5.6

CVE-2025-13877 json

nocobase JWT Service jwt-service.ts hard-coded key

published 2025-12-02 11 mo ago modified 2026-10-18 21 d ago also GHSA-mv7p-34fv-4874 , EUVD-2025-200266

cvss
5.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

A vulnerability was detected in nocobase up to 1.9.4/2.0.0-alpha.37. The affected element is an unknown function of the file nocobase\packages\core\auth\src\base\jwt-service.ts of the component JWT Service. The manipulation of the argument API_KEY results in use of hard-coded cryptographic key . The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is described as difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Patch / fix

  • npm @nocobase/auth 1.9.0-beta.18, 1.9.23, 2.0.0-alpha.52

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
11 mo ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gist.github.com https://gist.github.com/H2u8s/f3ede60d7ecfe598ae452aa5a8fbb90d referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA 3.0 5.6 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA 4.0 2.9 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

Affected packages

ecosystem package affected fixed in
npm @nocobase/auth
>=1.9.0, <1.9.23
<1.9.0-beta.18
>=2.0.0-alpha.1, <2.0.0-alpha.52
1.9.23
1.9.0-beta.18
2.0.0-alpha.52

Affected products

  • n/a nocobase

Classification

Weakness
  • CWE-321 Use of Hard-coded Cryptographic Key
  • CWE-320 Key Management Errors
  • CWE-1320 Improper Protection for Outbound Error Messages and Alert Signals

References

Sources

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.