CVE-2026-13508

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM 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
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: Elevated riskExposed: 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(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
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 8× in last 7d / 51× 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.

Showing the most recent 100 of 149 total refreshes for this CVE.

  1. 2026-09-11 14:52 UTCEPSS rescore
  2. 2026-09-11 09:36 UTCEPSS rescore
  3. 2026-09-10 09:34 UTCEPSS rescore
  4. 2026-09-08 22:00 UTCEPSS rescore
  5. 2026-09-07 16:01 UTCEPSS rescore
  6. 2026-09-06 14:48 UTCEG score recompute
  7. 2026-09-06 14:48 UTCGHSA enrichment
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-04 05:06 UTCEPSS rescore
  10. 2026-09-02 14:11 UTCEPSS rescore
  11. 2026-09-01 13:53 UTCEPSS rescore
  12. 2026-09-01 04:39 UTCEPSS rescore
  13. 2026-08-30 19:17 UTCEPSS rescore
  14. 2026-08-30 19:10 UTCEG score recompute
  15. 2026-08-30 19:10 UTCGHSA enrichment
  16. 2026-08-30 01:21 UTCEPSS rescore
  17. 2026-08-28 21:40 UTCEPSS rescore
  18. 2026-08-27 22:50 UTCEG score recompute
  19. 2026-08-27 22:50 UTCGHSA enrichment
  20. 2026-08-25 13:48 UTCEPSS rescore
  21. 2026-08-24 14:47 UTCEG score recompute
  22. 2026-08-24 14:47 UTCGHSA enrichment
  23. 2026-08-23 12:31 UTCEG score recompute
  24. 2026-08-23 12:31 UTCGHSA enrichment
  25. 2026-08-23 00:19 UTCEPSS rescore
Show 75 more
  1. 2026-08-22 10:24 UTCEG score recompute
  2. 2026-08-22 10:24 UTCGHSA enrichment
  3. 2026-08-21 23:48 UTCEPSS rescore
  4. 2026-08-21 08:07 UTCEG score recompute
  5. 2026-08-21 08:07 UTCGHSA enrichment
  6. 2026-08-20 22:55 UTCEPSS rescore
  7. 2026-08-20 05:59 UTCEG score recompute
  8. 2026-08-20 05:59 UTCGHSA enrichment
  9. 2026-08-19 17:03 UTCEPSS rescore
  10. 2026-08-18 23:23 UTCEG score recompute
  11. 2026-08-18 23:23 UTCGHSA enrichment
  12. 2026-08-18 13:48 UTCEPSS rescore
  13. 2026-08-17 16:53 UTCEG score recompute
  14. 2026-08-17 16:53 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:25 UTCEG score recompute
  17. 2026-08-16 14:25 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 12:18 UTCEG score recompute
  20. 2026-08-15 12:18 UTCGHSA enrichment
  21. 2026-08-15 01:30 UTCEPSS rescore
  22. 2026-08-14 10:10 UTCEG score recompute
  23. 2026-08-14 10:10 UTCGHSA enrichment
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 08:02 UTCEG score recompute
  26. 2026-08-13 08:02 UTCGHSA enrichment
  27. 2026-08-12 13:50 UTCEPSS rescore
  28. 2026-08-12 05:55 UTCEG score recompute
  29. 2026-08-12 05:55 UTCGHSA enrichment
  30. 2026-08-11 13:42 UTCEPSS rescore
  31. 2026-08-11 03:34 UTCEG score recompute
  32. 2026-08-11 03:34 UTCGHSA enrichment
  33. 2026-08-10 23:59 UTCEPSS rescore
  34. 2026-08-10 01:27 UTCEG score recompute
  35. 2026-08-10 01:27 UTCGHSA enrichment
  36. 2026-08-09 13:46 UTCEPSS rescore
  37. 2026-08-08 23:20 UTCEG score recompute
  38. 2026-08-08 23:20 UTCGHSA enrichment
  39. 2026-08-08 16:37 UTCEPSS rescore
  40. 2026-08-07 21:12 UTCEG score recompute
  41. 2026-08-07 21:12 UTCGHSA enrichment
  42. 2026-08-06 19:05 UTCEG score recompute
  43. 2026-08-06 19:05 UTCGHSA enrichment
  44. 2026-08-06 13:46 UTCEPSS rescore
  45. 2026-08-05 19:17 UTCEPSS rescore
  46. 2026-08-05 16:58 UTCEG score recompute
  47. 2026-08-05 16:58 UTCGHSA enrichment
  48. 2026-08-04 15:09 UTCEPSS rescore
  49. 2026-08-04 14:51 UTCEG score recompute
  50. 2026-08-04 14:51 UTCGHSA enrichment
  51. 2026-08-04 10:38 UTCEPSS rescore
  52. 2026-08-03 10:35 UTCEPSS rescore
  53. 2026-08-03 08:46 UTCGHSA enrichment
  54. 2026-08-02 06:39 UTCEG score recompute
  55. 2026-08-02 06:39 UTCGHSA enrichment
  56. 2026-08-02 02:26 UTCEPSS rescore
  57. 2026-08-01 04:31 UTCEG score recompute
  58. 2026-08-01 04:31 UTCGHSA enrichment
  59. 2026-08-01 04:15 UTCEPSS rescore
  60. 2026-07-31 02:22 UTCEG score recompute
  61. 2026-07-31 02:22 UTCGHSA enrichment
  62. 2026-07-30 16:27 UTCEPSS rescore
  63. 2026-07-30 01:30 UTCEPSS rescore
  64. 2026-07-30 00:08 UTCEG score recompute
  65. 2026-07-30 00:08 UTCGHSA enrichment
  66. 2026-07-28 19:54 UTCEG score recompute
  67. 2026-07-28 19:54 UTCGHSA enrichment
  68. 2026-07-28 15:36 UTCEPSS rescore
  69. 2026-07-27 16:58 UTCEG score recompute
  70. 2026-07-27 16:58 UTCGHSA enrichment
  71. 2026-07-27 14:13 UTCEPSS rescore
  72. 2026-07-26 14:54 UTCEPSS rescore
  73. 2026-07-26 14:54 UTCEPSS rescore
  74. 2026-07-26 14:23 UTCEG score recompute
  75. 2026-07-26 14:23 UTCGHSA enrichment

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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 0% probability of exploitation in the next 30 days, which ranks it in the top 79.0% of all scored CVEs.
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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