How severe is CVE-2023-26462?

CVE-2023-26462 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-26462 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26462?

CVE-2023-26462 affects Thingsboard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26462?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-26462 published?

CVE-2023-26462 was published on 2023-02-23 and last updated on 2026-06-17.

CVE-2023-26462

CVE-2023-26462 is a high-severity vulnerability in Thingsboard with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Thingsboard
Published: 2023-02-23
Last modified: 2026-06-17

Description

ThingsBoard 3.4.1 could allow a remote attacker to gain elevated privileges because hard-coded service credentials (usable for privilege escalation) are stored in an insecure format. (To read this stored data, the attacker needs access to the application server or its source code.)

Frequently asked questions

What is CVE-2023-26462?: ThingsBoard 3.4.1 could allow a remote attacker to gain elevated privileges because hard-coded service credentials (usable for privilege escalation) are stored in an insecure format. (To read this stored data, the attacker needs access to the application server or its source code.)
How severe is CVE-2023-26462?: CVE-2023-26462 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-26462 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26462?: CVE-2023-26462 affects Thingsboard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26462?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-26462 published?: CVE-2023-26462 was published on 2023-02-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:thingsboard:thingsboard:3.4.1:*:*:*:*:*:*:*

More vulnerabilities in Thingsboard

CVE-2022-40004 — Critical (CVSS 9.6): Cross Site Scripting (XSS) vulnerability in Things Board 3.4.1 allows remote attackers to escalate privilege via…
CVE-2025-34282 — Critical (CVSS 9.1): ThingsBoard versions < 4.2.1 contain a server-side request forgery (SSRF) vulnerability in the dashboard's Image Upload…
CVE-2022-45608 — High (CVSS 8.8): An issue was discovered in ThingsBoard 3.4.1, allows low privileged attackers (CUSTOMER_USER) to gain escalated…
CVE-2022-48341 — High (CVSS 8.8): ThingsBoard 3.4.1 could allow a remote authenticated attacker to achieve Vertical Privilege Escalation. A Tenant…
CVE-2020-27687 — High (CVSS 8.8): ThingsBoard before v3.2 is vulnerable to Host header injection in password-reset emails. This allows an attacker to…
CVE-2023-45303 — High (CVSS 8.4): ThingsBoard before 3.5 allows Server-Side Template Injection if users are allowed to modify an email template, because…

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Other CWE-798 (Use of Hard-coded Credentials) vulnerabilities

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CVE-2026-22769 — Critical (CVSS 10.0): Dell RecoverPoint for Virtual Machines, versions prior to 6.0.3.1 HF1, contain a hardcoded credential vulnerability.…
CVE-2025-42890 — Critical (CVSS 10.0): SQL Anywhere Monitor (Non-GUI) baked credentials into the code,exposing the resources or functionality to unintended…
CVE-2025-7503 — Critical (CVSS 10.0): An OEM IP camera manufactured by Shenzhen Liandian Communication Technology LTD exposes a Telnet service (port 23) with…
CVE-2025-20309 — Critical (CVSS 10.0): A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session…

Browse all CWE-798 (Use of Hard-coded Credentials) vulnerabilities →