CVE-2026-30993

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-15. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

Slah CMS v1.5.0 and below was discovered to contain a remote code execution (RCE) vulnerability in the session() function at config.php. This vulnerability is exploitable via a crafted input.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

April 15, 2026

Last Modified

April 17, 2026

Advisory Details (1)

Auto-updated Aug 26, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

CVE-2026-30993 - Slah Informática CMS - All Versions Through 1.5.0 (Remote Code Execution)

https://cve.joaopaulodeoliveira.dev/cve.php/published/CVE-2026-30993

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 86× 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 248 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-30993?
CVE-2026-30993 is a critical vulnerability published on April 15, 2026. Slah CMS v1.5.0 and below was discovered to contain a remote code execution (RCE) vulnerability in the session() function at config.php. This vulnerability is exploitable via a crafted input.
When was CVE-2026-30993 disclosed?
CVE-2026-30993 was first published in the National Vulnerability Database on April 15, 2026, with the most recent update on April 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-30993 actively exploited?
CVE-2026-30993 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 58.2% of all scored CVEs.
What is the CVSS score of CVE-2026-30993?
CVE-2026-30993 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-30993?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30993, 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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