CVE-2026-13513

MEDIUMPre-NVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

Score 5.0 from GitHub Security Advisory (severity: LOW) published 2026-06-29. a secondary CVSS source baseline 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.0Exploit: Elevated riskExposed: 0

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

A security flaw has been discovered in MyScale MyScaleDB up to 1.8.0. This vulnerability affects the function SegmentId::getCacheKey in the library src/VectorIndex/Common/SegmentId.h. The manipulation results in insufficient verification of data authenticity. It is possible to launch the attack remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.

CVSS v3
5.0
EG Score
5.0(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity50% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
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.
generic

GitHub - myscale/MyScaleDB: A @ClickHouse fork that supports high-performance vector search and full-text search. · GitHub

https://github.com/myscale/MyScaleDB/
github_pr

Fix vector index reuse after indexed column update

Upstream fix in progress (PR #55 · myscale/MyScaleDB, state=open)

https://github.com/myscale/MyScaleDB/pull/55
generic

Vector index is reused after ALTER UPDATE changes the indexed vector column · Issue #54 · myscale/MyScaleDB · GitHub

https://github.com/myscale/MyScaleDB/issues/54

Vendor Advisories for CVE-2026-13513(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 78× 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 135 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-13513?
CVE-2026-13513 is a medium vulnerability published on June 28, 2026. A security flaw has been discovered in MyScale MyScaleDB up to 1.8.0. This vulnerability affects the function SegmentId::getCacheKey in the library src/VectorIndex/Common/SegmentId.h. The manipulation results in insufficient verification of data authenticity. It is possible to launch the attack…
When was CVE-2026-13513 disclosed?
CVE-2026-13513 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-2026-13513 actively exploited?
CVE-2026-13513 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 92.4% of all scored CVEs.
What is the CVSS score of CVE-2026-13513?
CVE-2026-13513 has a CVSS v3 base score of 5.0 (NVD).
How do I remediate CVE-2026-13513?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13513, 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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