CVE-2026-41237

HIGHPre-NVD 8.68.6
EchelonGraph scoreMEDIUM confidence

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

This high-severity CVE scores 8.6 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5% (38th 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
8.6EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (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: 8.6Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

Froxlor is open source server administration software. In version 2.3.6 and earlier, the LOC record regex uses \s+ which matches newlines (allowing embedded newlines to pass), TLSA matchingType=0 has no upper bound on hex data length, and all validators return raw input without zone-file escaping. Version 2.3.7 contains an updated patch.

CVSS v3
8.6
EG Score
8.6HIGHmedium confidence
EG Risk
55
EG Risk 55/100

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)
Severity86% × 45%
The EG Score, 8.6 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, Track* at medium and Attend at high mission impact.
Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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 at low or medium mission impact and sooner than that at high.
EPSS PROB
0.5%
EPSS %ILE
38th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low, Track* at medium and Attend at high mission impact.

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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)14 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 total (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

May 29, 2026

Last Modified

July 22, 2026

Advisory Details (3)

Auto-updated Jun 4, 2026
Patch available. Sources: github, github_commit, github_release.
GitHub release Patch Available

froxlor security release 2.3.7

Patch available: froxlor/froxlor 2.3.7

https://github.com/froxlor/froxlor/releases/tag/2.3.7
GitHub commit Patch Available

commit b34829262dc3 (froxlor/froxlor)

Patch available: froxlor/froxlor 2.3.5 (contains commit b34829262dc3)

https://github.com/froxlor/froxlor/commit/b34829262dc3
GitHub advisoryMentions a patch (unverified)

Incomplete fix for CVE-2026-30932 in froxlor · Advisory · froxlor/froxlor · GitHub

https://github.com/froxlor/froxlor/security/advisories/GHSA-j6fm-9rfm-j5hx

Vendor Advisories for CVE-2026-41237(1)

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

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFix by version rangeDependents
froxlor/froxlor0.10.0 ... 2.3.6 (108 versions)
  • every version up to 2.3.7: fixed in 2.3.7
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 27× 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 99 of 162 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. 1 repeat row among the latest 100 is merged into the row it repeats. The 63 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

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

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-41237?
CVE-2026-41237 is a high-severity vulnerability; its CVE record was published on May 29, 2026. Froxlor is open source server administration software. In version 2.3.6 and earlier, the LOC record regex uses \s+ which matches newlines (allowing embedded newlines to pass), TLSA matchingType=0 has no upper bound on hex data length, and all validators return raw input without zone-file escaping.…
When was the CVE record for CVE-2026-41237 published?
The CVE record for CVE-2026-41237 was published on May 29, 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 22, 2026; the record at its source may have been updated since.
Is CVE-2026-41237 actively exploited?
CVE-2026-41237 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (38th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-41237?
CVE-2026-41237 has a CVSS base score of 8.6 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-41237?
A fix for CVE-2026-41237 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-41237 are linked in the Vendor Advisories panel on this page.

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