HOMEVULNERABILITIESCVE-2026-8086
HIGH

CVE-2026-8086

CWE-119Published: May 7, 2026· Updated: May 8, 2026

7.8
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-8086 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

osgeo1 product
gdal
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636
PATCHhttps://github.com/OSGeo/gdal/issues/14356
PATCHhttps://github.com/OSGeo/gdal/pull/14361
PATCHhttps://github.com/OSGeo/gdal/issues/14356
ADVISORYhttps://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bof
ADVISORYhttps://vuldb.com/submit/808038
ADVISORYhttps://vuldb.com/vuln/361839
ADVISORYhttps://vuldb.com/submit/808038

All References (11)

→
https://github.com/OSGeo/gdal/Product
→
https://github.com/OSGeo/gdal/commit/9491e794f1757f08063ea2f7a274ad2994afa636Patch
→
https://github.com/OSGeo/gdal/issues/14356Exploit · Issue Tracking · Patch · Vendor Advisory
→
https://github.com/OSGeo/gdal/pull/14361Issue Tracking · Patch
→
https://github.com/OSGeo/gdal/releases/tag/v3.12.4RC1Release Notes
→
https://github.com/biniamf/pocs/tree/main/gdal-swinqdims_bofExploit · Third Party Advisory
→
https://vuldb.com/submit/808038Exploit · Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/361839Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/361839/ctiPermissions Required · VDB Entry
→
https://github.com/OSGeo/gdal/issues/14356Exploit · Issue Tracking · Patch · Vendor Advisory
→
https://vuldb.com/submit/808038Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2026-8086
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedMay 7, 2026

Related CVEs (CWE-119)

CVE-2026-4254
9.8
CVE-2026-3271
9.8
CVE-2026-39892
9.8
CVE-2026-7854
9.8
CVE-2026-7834
9.8
CVE-2026-7853
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-8086 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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