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 6× in last 7d / 38× 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 159 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-18 07:05 UTCEG score recompute
  3. 2026-09-18 07:05 UTCGHSA enrichment
  4. 2026-09-16 05:14 UTCEPSS rescore
  5. 2026-09-14 00:54 UTCEG score recompute
  6. 2026-09-14 00:54 UTCGHSA enrichment
  7. 2026-09-13 16:46 UTCEPSS rescore
  8. 2026-09-12 15:18 UTCEG score recompute
  9. 2026-09-12 15:18 UTCGHSA enrichment
  10. 2026-09-12 15:00 UTCEPSS rescore
  11. 2026-09-11 14:52 UTCEPSS rescore
  12. 2026-09-11 09:36 UTCEPSS rescore
  13. 2026-09-10 09:34 UTCEPSS rescore
  14. 2026-09-08 22:00 UTCEPSS rescore
  15. 2026-09-07 16:01 UTCEPSS rescore
  16. 2026-09-06 14:48 UTCEG score recompute
  17. 2026-09-06 14:48 UTCGHSA enrichment
  18. 2026-09-06 13:47 UTCEPSS rescore
  19. 2026-09-04 05:06 UTCEPSS rescore
  20. 2026-09-02 14:11 UTCEPSS rescore
  21. 2026-09-01 13:53 UTCEPSS rescore
  22. 2026-09-01 04:39 UTCEPSS rescore
  23. 2026-08-30 19:17 UTCEPSS rescore
  24. 2026-08-30 19:10 UTCEG score recompute
  25. 2026-08-30 19:10 UTCGHSA enrichment
Show 75 more
  1. 2026-08-30 01:21 UTCEPSS rescore
  2. 2026-08-28 21:40 UTCEPSS rescore
  3. 2026-08-27 22:50 UTCEG score recompute
  4. 2026-08-27 22:50 UTCGHSA enrichment
  5. 2026-08-25 13:48 UTCEPSS rescore
  6. 2026-08-24 14:47 UTCEG score recompute
  7. 2026-08-24 14:47 UTCGHSA enrichment
  8. 2026-08-23 12:31 UTCEG score recompute
  9. 2026-08-23 12:31 UTCGHSA enrichment
  10. 2026-08-23 00:19 UTCEPSS rescore
  11. 2026-08-22 10:24 UTCEG score recompute
  12. 2026-08-22 10:24 UTCGHSA enrichment
  13. 2026-08-21 23:48 UTCEPSS rescore
  14. 2026-08-21 08:07 UTCEG score recompute
  15. 2026-08-21 08:07 UTCGHSA enrichment
  16. 2026-08-20 22:55 UTCEPSS rescore
  17. 2026-08-20 05:59 UTCEG score recompute
  18. 2026-08-20 05:59 UTCGHSA enrichment
  19. 2026-08-19 17:03 UTCEPSS rescore
  20. 2026-08-18 23:23 UTCEG score recompute
  21. 2026-08-18 23:23 UTCGHSA enrichment
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-17 16:53 UTCEG score recompute
  24. 2026-08-17 16:53 UTCGHSA enrichment
  25. 2026-08-16 14:56 UTCEPSS rescore
  26. 2026-08-16 14:25 UTCEG score recompute
  27. 2026-08-16 14:25 UTCGHSA enrichment
  28. 2026-08-16 02:14 UTCEPSS rescore
  29. 2026-08-15 12:18 UTCEG score recompute
  30. 2026-08-15 12:18 UTCGHSA enrichment
  31. 2026-08-15 01:30 UTCEPSS rescore
  32. 2026-08-14 10:10 UTCEG score recompute
  33. 2026-08-14 10:10 UTCGHSA enrichment
  34. 2026-08-13 22:00 UTCEPSS rescore
  35. 2026-08-13 08:02 UTCEG score recompute
  36. 2026-08-13 08:02 UTCGHSA enrichment
  37. 2026-08-12 13:50 UTCEPSS rescore
  38. 2026-08-12 05:55 UTCEG score recompute
  39. 2026-08-12 05:55 UTCGHSA enrichment
  40. 2026-08-11 13:42 UTCEPSS rescore
  41. 2026-08-11 03:34 UTCEG score recompute
  42. 2026-08-11 03:34 UTCGHSA enrichment
  43. 2026-08-10 23:59 UTCEPSS rescore
  44. 2026-08-10 01:27 UTCEG score recompute
  45. 2026-08-10 01:27 UTCGHSA enrichment
  46. 2026-08-09 13:46 UTCEPSS rescore
  47. 2026-08-08 23:20 UTCEG score recompute
  48. 2026-08-08 23:20 UTCGHSA enrichment
  49. 2026-08-08 16:37 UTCEPSS rescore
  50. 2026-08-07 21:12 UTCEG score recompute
  51. 2026-08-07 21:12 UTCGHSA enrichment
  52. 2026-08-06 19:05 UTCEG score recompute
  53. 2026-08-06 19:05 UTCGHSA enrichment
  54. 2026-08-06 13:46 UTCEPSS rescore
  55. 2026-08-05 19:17 UTCEPSS rescore
  56. 2026-08-05 16:58 UTCEG score recompute
  57. 2026-08-05 16:58 UTCGHSA enrichment
  58. 2026-08-04 15:09 UTCEPSS rescore
  59. 2026-08-04 14:51 UTCEG score recompute
  60. 2026-08-04 14:51 UTCGHSA enrichment
  61. 2026-08-04 10:38 UTCEPSS rescore
  62. 2026-08-03 10:35 UTCEPSS rescore
  63. 2026-08-03 08:46 UTCGHSA enrichment
  64. 2026-08-02 06:39 UTCEG score recompute
  65. 2026-08-02 06:39 UTCGHSA enrichment
  66. 2026-08-02 02:26 UTCEPSS rescore
  67. 2026-08-01 04:31 UTCEG score recompute
  68. 2026-08-01 04:31 UTCGHSA enrichment
  69. 2026-08-01 04:15 UTCEPSS rescore
  70. 2026-07-31 02:22 UTCEG score recompute
  71. 2026-07-31 02:22 UTCGHSA enrichment
  72. 2026-07-30 16:27 UTCEPSS rescore
  73. 2026-07-30 01:30 UTCEPSS rescore
  74. 2026-07-30 00:08 UTCEG score recompute
  75. 2026-07-30 00:08 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 78.6% 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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