CVE-2026-41051

MEDIUMNVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

Score 5.0 from GitHub Security Advisory published 2026-05-13. NVD baseline CVSS 5.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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: None knownExposed: 0

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

csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories.

CVSS v3
5.0
EG Score
5.0(medium)
EG Risk
23(Track)
EG Risk 23/100SSVC: 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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

May 13, 2026

Last Modified

May 13, 2026

Advisory Details (1)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic

1262472 – (CVE-2026-41051) VUL-0: CVE-2026-41051: csync2: uses insecure temporary directories when compiled with C99 or later

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-41051

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
csync22.0-25-gc0faaf9-1 ... 2.0-42-g83b3644-6 (7 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
csync22.0-42-g83b3644-2 ... 2.0-42-g83b3644-7 (6 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
csync22.0-42-g83b3644-3, 2.0-42-g83b3644-4, 2.0-42-g83b3644-5, 2.0-42-g83b3644-6, 2.0-42-g83b3644-7——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
csync22.0-42-g83b3644-3, 2.0-42-g83b3644-4, 2.0-42-g83b3644-52.0-42-g83b3644-6—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 9× 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 117 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-41051?
CVE-2026-41051 is a medium vulnerability published on May 13, 2026. csync2 uses insecure temporary directories when compiled with C99 or later, allowing for TOCTOU style attacks on the temporary directories.
When was CVE-2026-41051 disclosed?
CVE-2026-41051 was first published in the National Vulnerability Database on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41051 actively exploited?
CVE-2026-41051 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 99.9% of all scored CVEs.
What is the CVSS score of CVE-2026-41051?
CVE-2026-41051 has a CVSS v3 base score of 5.0 (NVD).
How do I remediate CVE-2026-41051?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41051, 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.

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