How severe is CVE-2026-7103?

CVE-2026-7103 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-7103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7103 have an EU (EUVD) identifier?

Yes. CVE-2026-7103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25803.

When was CVE-2026-7103 published?

CVE-2026-7103 was published on 2026-04-27 and last updated on 2026-06-17.

CVE-2026-7103

CVE-2026-7103 is a low-severity vulnerability with a CVSS 3.x base score of 3.7. 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-327.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 2.6
CVSS v4: 2.9
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25803
Weakness: CWE-327
Published: 2026-04-27
Last modified: 2026-06-17

Description

A vulnerability was determined in code-projects Chat System 1.0. Affected is an unknown function of the file update_user.php of the component MD5 Hash Handler. This manipulation of the argument Password causes use of weak hash. The attack is possible to be carried out remotely. The attack's complexity is rated as high. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized.

Frequently asked questions

What is CVE-2026-7103?: A vulnerability was determined in code-projects Chat System 1.0. Affected is an unknown function of the file update_user.php of the component MD5 Hash Handler. This manipulation of the argument Password causes use of weak hash. The attack is possible to be carried out remotely. The attack's complexity is rated as high. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized.
How severe is CVE-2026-7103?: CVE-2026-7103 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-7103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-7103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7103 have an EU (EUVD) identifier?: Yes. CVE-2026-7103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25803.
When was CVE-2026-7103 published?: CVE-2026-7103 was published on 2026-04-27 and last updated on 2026-06-17.

References

Other CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities

CVE-2026-50086 — Critical (CVSS 10.0): The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bidirectional AES round-trups against the platform's signing…
CVE-2026-21718 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, enabling any attackers to…
CVE-2025-54426 — Critical (CVSS 9.9): Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. In versions prior to commit…
CVE-2024-51478 — Critical (CVSS 9.9): YesWiki is a wiki system written in PHP. Prior to 4.4.5, the use of a weak cryptographic algorithm and a hard-coded…
CVE-2026-28252 — Critical (CVSS 9.8): A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge…
CVE-2025-13476 — Critical (CVSS 9.8): Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS…

Browse all CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities →