Paper/Archive/CVE-2026-82827

CVE-2026-82827

Hitachi Industrial Equipment Systems Hitachi Coding Software Suite — A hard-coded JWT signing secret key may allow administrative functions to be abused using fraudulently generated Bearer tokens

EPSS 0.3%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 19.0.190 × 203.8 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Hitachi Coding Software Suite≤ 3.3.0–CNA

Scores by source

Hitachi (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Hitachi (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisoryhitachi-ies.com/common/documents/vulnerability/hcss/Hitachi_Coding_Software_Suite_Public_statement_20260925_EN.pdf