How severe is CVE-2026-30954?

CVE-2026-30954 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-30954 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30954?

CVE-2026-30954 affects Linkace. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30954?

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

Does CVE-2026-30954 have an EU (EUVD) identifier?

Yes. CVE-2026-30954 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10876.

When was CVE-2026-30954 published?

CVE-2026-30954 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2026-30954

CVE-2026-30954 is a medium-severity vulnerability in Linkace with a CVSS 3.x base score of 4.3. 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10876
Weakness: CWE-639
Affected product: Linkace
Published: 2026-03-10
Last modified: 2026-06-17

Description

LinkAce is a self-hosted archive to collect website links. In 2.1.0 and earlier, the processTaxonomy() method in LinkRepository.php allows authenticated users to attach other users' private tags and lists to their own links by passing integer IDs.

Frequently asked questions

What is CVE-2026-30954?: LinkAce is a self-hosted archive to collect website links. In 2.1.0 and earlier, the processTaxonomy() method in LinkRepository.php allows authenticated users to attach other users' private tags and lists to their own links by passing integer IDs.
How severe is CVE-2026-30954?: CVE-2026-30954 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-30954 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30954?: CVE-2026-30954 affects Linkace. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30954?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-30954 have an EU (EUVD) identifier?: Yes. CVE-2026-30954 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10876.
When was CVE-2026-30954 published?: CVE-2026-30954 was published on 2026-03-10 and last updated on 2026-06-17.

References

https://github.com/Kovah/LinkAce/security/advisories/GHSA-vc99-cgj6-wwxh

Affected products (1)

cpe:2.3:a:linkace:linkace:*:*:*:*:*:*:*:*

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