How severe is CVE-2026-8086?

CVE-2026-8086 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-8086 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8086?

CVE-2026-8086 primarily affects Osgeo Gdal. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-8086?

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

Does CVE-2026-8086 have an EU (EUVD) identifier?

Yes. CVE-2026-8086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28418.

When was CVE-2026-8086 published?

CVE-2026-8086 was published on 2026-05-07 and last updated on 2026-06-17.

CVE-2026-8086

CVE-2026-8086 is a medium-severity vulnerability in Osgeo Gdal with a CVSS 3.x base score of 5.3. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
CVSS v4: 1.9
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28418
Weakness: CWE-119
Affected product: Osgeo Gdal
Published: 2026-05-07
Last modified: 2026-06-17

Description

A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4. This issue affects the function SWnentries of the file frmts/hdf4/hdf-eos/SWapi.c. Such manipulation of the argument DimensionName leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 3.12.4RC1 is capable of addressing this issue. The name of the patch is 9491e794f1757f08063ea2f7a274ad2994afa636. It is advisable to upgrade the affected component.

Frequently asked questions

What is CVE-2026-8086?: A vulnerability was identified in OSGeo gdal up to 3.13.0dev-4. This issue affects the function SWnentries of the file frmts/hdf4/hdf-eos/SWapi.c. Such manipulation of the argument DimensionName leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version 3.12.4RC1 is capable of addressing this issue. The name of the patch is 9491e794f1757f08063ea2f7a274ad2994afa636. It is advisable to upgrade the affected component.
How severe is CVE-2026-8086?: CVE-2026-8086 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-8086 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8086?: CVE-2026-8086 primarily affects Osgeo Gdal. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-8086?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8086 have an EU (EUVD) identifier?: Yes. CVE-2026-8086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28418.
When was CVE-2026-8086 published?: CVE-2026-8086 was published on 2026-05-07 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:osgeo:gdal:*:*:*:*:*:*:*:*
cpe:2.3:a:osgeo:gdal:3.13.0:beta1:*:*:*:*:*:*
cpe:2.3:a:osgeo:gdal:3.13.0:beta2:*:*:*:*:*:*

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