CVE-2026-8786: A vulnerability has been found in Tencent WeKnora up to 0.3.6

Q: How do I fix CVE-2026-8786?

weknora: upgrade to newer than 0.3.6. Exact commands for each OS are on this page.

Q: Is CVE-2026-8786 being exploited?

CVE-2026-8786 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-8786 affect?

CVE-2026-8786 affects weknora. Severity is medium (CVSS 6.3). A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of

Q: How urgent is CVE-2026-8786?

Priority 32/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2026-8786 is a medium-severity flaw (CVSS 6.3) affecting weknora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of the argument kbId leads to authorization bypass. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosu

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-285, CWE-639
Published	2026-05-18
Last modified	2026-10-14

Publisher (CNA): VulDB · Vendor: tencent

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-18 04:16 UTCPublished CVE record published
2026-10-14 20:10 UTCUpdated Record last modified

tencent weknora UPGRADE

Affected: <= 0.3.6

Fixed in: newer than 0.3.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy weknora || rpm -q weknora || weknora --version

2. UPGRADE to newer than 0.3.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade weknora

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade weknora

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8786?

weknora: upgrade to newer than 0.3.6. Exact commands for each OS are on this page.

Is CVE-2026-8786 being exploited?

CVE-2026-8786 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8786 affect?

CVE-2026-8786 affects weknora. Severity is medium (CVSS 6.3). A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of

How urgent is CVE-2026-8786?

Priority 32/100. Public exploit reference

References

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