CVE-2026-71490

highpriority · track · 0OT risk · elevatedEPSS 0.004 · 32 %ileDE

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (32nd) EPSS

CVSS 7.1 · high

Is it mine?

2 products

Check your exposure

Who says so?

1 sources

cert_bund

EPSS · scored 2026-10-27

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.11, OPNsense\Core\ACL::hasPrivilege() appends a directly assigned comma-separated <priv> value as one string and then uses an exact comparison when checking user-config-readonly. A user directly assigned both a component write privilege and user-config-readonly can therefore be treated as lacking the read-only restriction, and MVC APIs protected by throwReadOnly() can persist configuration changes for that component. Group privileges are not affected by the same parser flaw because the group path already splits comma-separated values. This issue is fixed in version 26.1.11.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Lsecondary · security-advisories@github.comexploitability 2.8 · impact 4.2

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimary

affected products (2)

Products and version ranges known to be affected.

Open Source OPNsense< 26.1.11cert_bundDE
Open Source Open Source OPNsense <26.1.11< 26.1.11cert_bundDE

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2177OPNsense: Mehrere SchwachstellenDeutsch2026-07-01csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in OPNsense ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, um Sicherheitsvorkehrungen zu umgehen, um einen Cross-Site Scripting Angriff durchzuführen, um Dateien zu manipulieren, um Informationen offenzulegen, und um einen Denial of Service Angriff durchzuführen.

sources

Which sources assert this record, and when.

cert_bund NVD CVE.org MITRE

published 2026-10-15modified 2026-10-15

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+5006 more

references (4) nvd

External citations — patches, advisories, analysis.

scry

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