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Fencer Vulns
high 8.8

CVE-2021-42192 json

Konga v0.14.9 is affected by an incorrect access control vulnerability where a specially crafted request can lead to privilege escalation.

published 2022-05-04 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29174

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.8%
EPSS 9.8% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known, plus a Nuclei check

Summary

Konga v0.14.9 is affected by an incorrect access control vulnerability where a specially crafted request can lead to privilege escalation.

Patch / fix

Exploit prediction

9.80% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template KONGA 0.14.9 - Privilege Escalation nuclei detection template
  • docs.google.com https://docs.google.com/document/d/1-YU9zWiDVUps3Mb6zos3996yvZ48vW_vfOvaJLLHc4I/edit?usp=sharing referenced PoC, tagged "exploit" by a source, unverified
  • exploit-db.com https://www.exploit-db.com/exploits/50521 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/whokilleddb/Konga-Privilege-Escalation-Exploit referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness

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.