How severe is CVE-2026-13508?

CVE-2026-13508 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-13508 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-13508?

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

When was CVE-2026-13508 published?

CVE-2026-13508 was published on 2026-06-28 and last updated on 2026-06-29.

CVE-2026-13508

CVE-2026-13508 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 6.5
CVSS v4: 2.0
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Published: 2026-06-28
Last modified: 2026-06-29

Description

A flaw has been found in khoj-ai khoj up to 2.0.0-beta.28. This impacts an unknown function of the file src/khoj/routers/api_chat.py of the component Conversation Sharing Handler. This manipulation of the argument conversation.agent causes incorrect authorization. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Frequently asked questions

What is CVE-2026-13508?: A flaw has been found in khoj-ai khoj up to 2.0.0-beta.28. This impacts an unknown function of the file src/khoj/routers/api_chat.py of the component Conversation Sharing Handler. This manipulation of the argument conversation.agent causes incorrect authorization. Remote exploitation of the attack is possible. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
How severe is CVE-2026-13508?: CVE-2026-13508 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-13508 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-13508?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-13508 published?: CVE-2026-13508 was published on 2026-06-28 and last updated on 2026-06-29.

References

Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

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