What is CVE-2023-26089?

CVE-2023-26089 is a critical-severity vulnerability in Echa.europa Iuclid, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-05-02.

How severe is CVE-2023-26089?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Echa.europa Iuclid

CVE-2023-26089

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.

Published 2023-05-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.6th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Echa.europa Iuclid

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

iuclid6.echa.europa.eu (Product)
iuclid6.echa.europa.eu/download (Product)
iuclid6.echa.europa.eu/documents/1387205/1809530/note_v6.27.6.pdf/76545a65-e6be… (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-26089?: CVE-2023-26089 is a critical-severity vulnerability in Echa.europa Iuclid, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-05-02.
How severe is CVE-2023-26089?: Critical severity. CVSS v3 base score is 9.8 out of 10.