CVE-2026-18591

LOWPre-NVD 2.12.1—
EchelonGraph scoreMEDIUM confidence

Score 2.1 from GitHub Security Advisory (severity: LOW) published 2026-08-03. A secondary CVSS source baseline 2.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
2.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 2.1Exploit: Elevated riskExposed services: Not assessed

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

A vulnerability was identified in Meesho Online Shopping App up to 20260607 on Android. Affected by this vulnerability is an unknown functionality of the component com.meesho.supply. Such manipulation of the argument user_id/phone number/email address/name leads to cleartext storage of sensitive information. The attack can be executed directly on the physical device. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

CVSS v3
2.1
EG Score
2.1LOWmedium confidence
EG Risk
25
EG Risk 25/100CISA SSVC

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
Severity21% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 3, 2026

Last Modified

August 12, 2026

References (6)

Vendor Advisories for CVE-2026-18591(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 32× 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.

  1. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 12:28 UTCEG score recompute
  3. 2026-10-04 12:28 UTCGHSA enrichment
  4. 2026-10-03 14:25 UTCEPSS rescore
  5. 2026-10-01 19:49 UTCEPSS rescore
  6. 2026-10-01 02:37 UTCEG score recompute
  7. 2026-10-01 02:37 UTCGHSA enrichment
  8. 2026-09-30 15:02 UTCEPSS rescore
  9. 2026-09-29 15:20 UTCEPSS rescore
  10. 2026-09-28 13:51 UTCEPSS rescore
  11. 2026-09-27 18:17 UTCEG score recompute
  12. 2026-09-27 18:17 UTCGHSA enrichment
  13. 2026-09-26 15:58 UTCEPSS rescore
  14. 2026-09-22 21:27 UTCEG score recompute
  15. 2026-09-22 21:27 UTCGHSA enrichment
  16. 2026-09-19 13:35 UTCEG score recompute
  17. 2026-09-19 13:35 UTCGHSA enrichment
  18. 2026-09-16 14:07 UTCEPSS rescore
  19. 2026-09-16 05:19 UTCEG score recompute
  20. 2026-09-16 05:19 UTCGHSA enrichment
  21. 2026-09-16 05:14 UTCEPSS rescore
  22. 2026-09-13 16:46 UTCEPSS rescore
  23. 2026-09-12 13:55 UTCEG score recompute
  24. 2026-09-12 13:55 UTCGHSA enrichment
  25. 2026-09-11 14:52 UTCEPSS rescore
Show 49 more
  1. 2026-09-11 09:36 UTCEPSS rescore
  2. 2026-09-10 09:34 UTCEPSS rescore
  3. 2026-09-09 06:47 UTCEG score recompute
  4. 2026-09-09 06:47 UTCGHSA enrichment
  5. 2026-09-08 22:00 UTCEPSS rescore
  6. 2026-09-05 18:41 UTCEG score recompute
  7. 2026-09-05 18:41 UTCGHSA enrichment
  8. 2026-09-04 05:06 UTCEPSS rescore
  9. 2026-09-02 07:50 UTCEG score recompute
  10. 2026-09-02 07:50 UTCGHSA enrichment
  11. 2026-09-01 13:53 UTCEPSS rescore
  12. 2026-08-29 22:04 UTCEG score recompute
  13. 2026-08-29 22:04 UTCGHSA enrichment
  14. 2026-08-28 21:41 UTCEPSS rescore
  15. 2026-08-27 14:25 UTCEPSS rescore
  16. 2026-08-26 14:46 UTCEPSS rescore
  17. 2026-08-26 01:38 UTCEG score recompute
  18. 2026-08-26 01:37 UTCGHSA enrichment
  19. 2026-08-25 13:48 UTCEPSS rescore
  20. 2026-08-23 00:19 UTCEPSS rescore
  21. 2026-08-22 18:30 UTCEG score recompute
  22. 2026-08-22 18:30 UTCGHSA enrichment
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-19 11:23 UTCEG score recompute
  25. 2026-08-19 11:23 UTCGHSA enrichment
  26. 2026-08-17 13:47 UTCEPSS rescore
  27. 2026-08-16 04:16 UTCEG score recompute
  28. 2026-08-16 04:16 UTCGHSA enrichment
  29. 2026-08-16 02:14 UTCEPSS rescore
  30. 2026-08-15 01:30 UTCEPSS rescore
  31. 2026-08-12 21:08 UTCEG score recompute
  32. 2026-08-12 21:08 UTCGHSA enrichment
  33. 2026-08-11 13:42 UTCEPSS rescore
  34. 2026-08-10 04:47 UTCGHSA enrichment
  35. 2026-08-06 21:40 UTCEG score recompute
  36. 2026-08-06 21:40 UTCGHSA enrichment
  37. 2026-08-05 19:17 UTCEPSS rescore
  38. 2026-08-04 15:10 UTCEPSS rescore
  39. 2026-08-04 10:38 UTCEPSS rescore
  40. 2026-08-03 14:33 UTCEG score recompute
  41. 2026-08-03 14:33 UTCGHSA enrichment
  42. 2026-08-03 14:32 UTCNVD updateCVSS v4 → 0.9
  43. 2026-08-03 13:39 UTCEG score recompute
  44. 2026-08-03 13:39 UTCGHSA enrichment
  45. 2026-08-03 13:33 UTCMITRE cvelistV5CVSS v4 → 2.4
  46. 2026-08-03 08:25 UTCEG score recompute
  47. 2026-08-03 08:23 UTCNVD updateCVSS v4 → 0.9
  48. 2026-08-03 07:54 UTCEG score recompute
  49. 2026-08-03 07:53 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-18591?
CVE-2026-18591 is a low vulnerability published on August 3, 2026. A vulnerability was identified in Meesho Online Shopping App up to 20260607 on Android. Affected by this vulnerability is an unknown functionality of the component com.meesho.supply. Such manipulation of the argument user_id/phone number/email address/name leads to cleartext storage of sensitive…
When was CVE-2026-18591 disclosed?
CVE-2026-18591 was first published on August 3, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18591 actively exploited?
CVE-2026-18591 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-18591?
CVE-2026-18591 has a CVSS base score of 2.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-18591?
No fix for CVE-2026-18591 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-18591 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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