CVE-2026-82827CWE-321

CVE-2026-82827

Critical · published October 1, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
18.0
In the wild
Unconfirmed
What it is

Hitachi Coding Software Suite contains a vulnerability related to Use of Hard-coded Cryptographic Key. The Hardcoding of JWT signing secret key allows an attacker to generate unauthorized Bearer tokens and exploit administrative functions.

This issue affects Hitachi Coding Software Suite: through 3.3.0.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00268 · 18.0th percentile
Weakness
CWE-321 · Use of Hard-coded Cryptographic Key
Published
2026-10-01T09:17Z
References (1)
https://www.hitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software_Suite_Public_statement_20260925_EN.pdf · [email protected]
EPSS history
Timeline
  • 03 OCT 03:46Z
    EPSS moved — → 0%
    epss
  • 01 OCT 04:57Z
    A hard-coded JWT signing secret key may allow administrative functions to be abused using fraudulently generated Bearer tokens
    cvelistv5