How severe is CVE-2025-50979?

CVE-2025-50979 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2025-50979 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-50979?

CVE-2025-50979 affects Nodebb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-50979?

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.

Does CVE-2025-50979 have an EU (EUVD) identifier?

Yes. CVE-2025-50979 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25915.

When was CVE-2025-50979 published?

CVE-2025-50979 was published on 2025-08-27 and last updated on 2026-06-17.

CVE-2025-50979

CVE-2025-50979 is a high-severity vulnerability in Nodebb with a CVSS 3.x base score of 8.6. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-25915
Weakness: CWE-89
Affected product: Nodebb
Published: 2025-08-27
Last modified: 2026-06-17

Description

NodeBB v4.3.0 is vulnerable to SQL injection in its search-categories API endpoint (/api/v3/search/categories). The search query parameter is not properly sanitized, allowing unauthenticated, remote attackers to inject boolean-based blind and PostgreSQL error-based payloads.

Frequently asked questions

What is CVE-2025-50979?: NodeBB v4.3.0 is vulnerable to SQL injection in its search-categories API endpoint (/api/v3/search/categories). The search query parameter is not properly sanitized, allowing unauthenticated, remote attackers to inject boolean-based blind and PostgreSQL error-based payloads.
How severe is CVE-2025-50979?: CVE-2025-50979 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2025-50979 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-50979?: CVE-2025-50979 affects Nodebb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-50979?: 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.
Does CVE-2025-50979 have an EU (EUVD) identifier?: Yes. CVE-2025-50979 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-25915.
When was CVE-2025-50979 published?: CVE-2025-50979 was published on 2025-08-27 and last updated on 2026-06-17.

References

https://github.com/4rdr/proofs/blob/main/info/NodeBB-v4.3.0.-SQL-Injection-via-search-parameter.md

Affected products (1)

cpe:2.3:a:nodebb:nodebb:4.3.0:-:*:*:*:*:*:*

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