CVE-2026-59155

MEDIUMPre-NVD 6.96.9
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

This medium-severity CVE scores 6.9 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5% (39th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source
Elevated
6.9EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.9Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. Prior to 2.2.5, the GET /api/v1/ddns and GET /api/v1/notification endpoints return full resource objects including plaintext third-party API credentials, including Cloudflare API tokens, TencentCloud SecretKeys, Slack, Discord, and Telegram webhook URLs with embedded bot tokens, and Authorization header values, without any field-level redaction. Any authenticated admin or PAT with nezha:ddns:read or nezha:notification:read scope can receive stored credentials through the listDDNS and listNotification handlers in a single API response. This issue is fixed in version 2.2.5.

CVSS v3
6.9
EG Score
6.9MEDIUMmedium confidence
EG Risk
47
EG Risk 47/100

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 (value × EchelonGraph’s weight)
Severity69% × 45%
The EG Score, 6.9 of 10.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.5%
EPSS %ILE
39th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

July 10, 2026

Last Modified

July 13, 2026

Advisory Details (3)

Auto-updated Jul 10, 2026
Patch available. Sources: github_commit, github_release, github.
GitHub advisoryMentions a patch (unverified)

DDNS and Notification credential exposure via unredacted list API · Advisory · nezhahq/nezha · GitHub

https://github.com/nezhahq/nezha/security/advisories/GHSA-ww5p-j6cj-6mqq
GitHub release Patch Available

v2.2.5

Patch available: nezhahq/nezha v2.2.5

https://github.com/nezhahq/nezha/releases/tag/v2.2.5
GitHub commit Patch Available

commit 39d398066d8c (nezhahq/nezha)

Patch available: nezhahq/nezha v2.2.5 (contains commit 39d398066d8c)

https://github.com/nezhahq/nezha/commit/39d398066d8c644fe452f74704e34ada6c7ab61e

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFix by version rangeDependents
github.com/nezhahq/nezha—
  • every version up to 2.2.5: fixed in 2.2.5
  • every version on: no fix on record
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 35× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 100 of 143 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 43 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  2. 2026-10-12 16:34 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  3. 2026-10-12 15:53 UTCEG score recompute
  4. 2026-10-11 19:36 UTCEG score recompute
  5. 2026-10-11 16:51 UTCEG score recompute
  6. 2026-10-11 14:14 UTCEG score recompute
  7. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  8. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  9. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  10. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  11. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  12. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  13. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  14. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  15. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  16. 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  17. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  18. 2026-10-01 14:56 UTCEG score recompute
  19. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  20. 2026-09-29 15:22 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  21. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  22. 2026-09-28 09:45 UTCEG score recompute
  23. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  24. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  25. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.5% · 38th percentile
Show 75 more
  1. 2026-09-24 11:08 UTCEG score recompute
  2. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  3. 2026-09-23 05:43 UTCEG score recompute
  4. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  5. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  6. 2026-09-18 05:16 UTCEG score recompute
  7. 2026-09-17 19:31 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  8. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  9. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  10. 2026-09-15 03:11 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  11. 2026-09-14 06:04 UTCEG score recompute
  12. 2026-09-13 16:47 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  13. 2026-09-13 08:10 UTCEG score recompute
  14. 2026-09-12 02:29 UTCEG score recompute
  15. 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  16. 2026-09-10 09:35 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  17. 2026-09-08 22:01 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  18. 2026-09-08 02:42 UTCEG score recompute
  19. 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  20. 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  21. 2026-09-05 21:39 UTCEG score recompute
  22. 2026-09-04 05:07 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  23. 2026-09-02 14:12 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  24. 2026-09-01 13:54 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  25. 2026-09-01 04:40 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  26. 2026-08-30 19:17 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  27. 2026-08-30 06:02 UTCEG score recompute
  28. 2026-08-30 01:22 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  29. 2026-08-28 21:42 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  30. 2026-08-27 22:41 UTCEG score recompute
  31. 2026-08-27 14:25 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  32. 2026-08-27 00:48 UTCEG score recompute
  33. 2026-08-26 14:46 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  34. 2026-08-26 02:54 UTCEG score recompute
  35. 2026-08-25 13:49 UTCEPSS rescoreEPSS 0.5% · 39th percentile
  36. 2026-08-24 21:43 UTCEG score recompute
  37. 2026-08-23 01:28 UTCEG score recompute
  38. 2026-08-23 00:19 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  39. 2026-08-22 03:30 UTCEG score recompute
  40. 2026-08-21 23:49 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  41. 2026-08-21 04:23 UTCEG score recompute
  42. 2026-08-20 22:55 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  43. 2026-08-20 06:30 UTCEG score recompute
  44. 2026-08-19 17:04 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  45. 2026-08-19 08:36 UTCEG score recompute
  46. 2026-08-18 13:48 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  47. 2026-08-18 10:40 UTCEG score recompute
  48. 2026-08-17 13:47 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  49. 2026-08-17 12:47 UTCEG score recompute
  50. 2026-08-16 14:56 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  51. 2026-08-16 14:53 UTCEG score recompute
  52. 2026-08-16 02:14 UTCEPSS rescoreEPSS 0.3% · 23rd percentile
  53. 2026-08-15 17:00 UTCEG score recompute
  54. 2026-08-15 01:30 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  55. 2026-08-14 19:06 UTCEG score recompute
  56. 2026-08-13 22:00 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  57. 2026-08-12 23:03 UTCEG score recompute
  58. 2026-08-12 13:51 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  59. 2026-08-12 01:10 UTCEG score recompute
  60. 2026-08-11 03:16 UTCEG score recompute
  61. 2026-08-11 00:00 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  62. 2026-08-10 05:23 UTCEG score recompute
  63. 2026-08-09 13:46 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  64. 2026-08-09 07:30 UTCEG score recompute
  65. 2026-08-08 16:37 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  66. 2026-08-08 09:36 UTCEG score recompute
  67. 2026-08-07 11:43 UTCEG score recompute
  68. 2026-08-06 13:47 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  69. 2026-08-06 13:44 UTCEG score recompute
  70. 2026-08-05 19:17 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  71. 2026-08-04 15:20 UTCEG score recompute
  72. 2026-08-04 15:10 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  73. 2026-08-04 10:39 UTCEPSS rescoreEPSS 0.3% · 22nd percentile
  74. 2026-08-03 17:26 UTCEG score recompute
  75. 2026-08-03 10:36 UTCEPSS rescoreEPSS 0.3% · 22nd percentile

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-59155?
CVE-2026-59155 is a medium-severity vulnerability; its CVE record was published on July 10, 2026. Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. Prior to 2.2.5, the GET /api/v1/ddns and GET /api/v1/notification endpoints return full resource objects including plaintext third-party API credentials, including Cloudflare API tokens, TencentCloud…
When was the CVE record for CVE-2026-59155 published?
The CVE record for CVE-2026-59155 was published on July 10, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of July 13, 2026; the record at its source may have been updated since.
Is CVE-2026-59155 actively exploited?
CVE-2026-59155 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (39th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-59155?
CVE-2026-59155 has a CVSS base score of 6.9 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-59155?
A fix for CVE-2026-59155 is available: update to the fixed version the vendor names in its advisory.

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