CVE-2026-13508

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreHIGH confidence

Score 5.5 from GitHub Security Advisory (severity: LOW) published 2026-06-29. a secondary CVSS source baseline 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
5.5
EG Score
5.5(high)
EPSS
6.0%
KEV
Not listed

Published

June 28, 2026

Last Modified

June 29, 2026

Advisory Details (3)

Auto-updated Jun 29, 2026
No patch confirmed yet. Sources: github_pr.
github_pr

Fix shared conversation agent authorization

Upstream fix in progress (PR #1328 · khoj-ai/khoj, state=open)

https://github.com/khoj-ai/khoj/pull/1328
generic

Security bug: shared conversation forks retain a private agent reference from the source user · Issue #1327 · khoj-ai/khoj · GitHub

https://github.com/khoj-ai/khoj/issues/1327
generic

GitHub - khoj-ai/khoj: Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free. · GitHub

https://github.com/khoj-ai/khoj/

Vendor Advisories for CVE-2026-13508(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 13:06 UTCEG score recompute
  3. 2026-07-06 13:05 UTCGHSA enrichment
  4. 2026-07-05 10:57 UTCEG score recompute
  5. 2026-07-05 10:57 UTCGHSA enrichment
  6. 2026-07-05 02:30 UTCEPSS rescore
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 08:50 UTCEG score recompute
  9. 2026-07-04 08:49 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 06:42 UTCEG score recompute
  12. 2026-07-03 06:42 UTCGHSA enrichment
  13. 2026-07-02 04:35 UTCEG score recompute
  14. 2026-07-02 04:35 UTCGHSA enrichment
  15. 2026-07-01 15:06 UTCEPSS rescore
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 02:28 UTCEG score recompute
  18. 2026-07-01 02:28 UTCGHSA enrichment
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-30 00:20 UTCEG score recompute
  21. 2026-06-30 00:20 UTCGHSA enrichment
  22. 2026-06-29 15:26 UTCNVD updateCVSS v4 → 2
  23. 2026-06-29 14:52 UTCMITRE cvelistV5CVSS v4 → 5.1
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-29 00:03 UTCNVD updateCVSS v4 → 2
Show 2 more
  1. 2026-06-28 22:13 UTCEG score recompute
  2. 2026-06-28 22:12 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-13508?
CVE-2026-13508 is a medium vulnerability published on June 28, 2026. 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…
When was CVE-2026-13508 disclosed?
CVE-2026-13508 was first published in the National Vulnerability Database on June 28, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13508 actively exploited?
CVE-2026-13508 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13508?
CVE-2026-13508 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-13508?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13508, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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