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Fencer Vulns
critical 9.8

CVE-2023-26089 json

European Chemicals Agency IUCLID 6.x before 6.27.6 allows authentication bypass because a weak hard-coded secret is used for JWT signing.

published 2023-05-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29963

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

European Chemicals Agency IUCLID 6.x before 6.27.6 allows authentication bypass because a weak hard-coded secret is used for JWT signing. The affected versions are 5.15.0 through 6.27.5.

Patch / fix

  • echa.europa iuclid 6.27.6

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

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.