AgenticMail gives AI agents real email addresses and phone numbers. @agenticmail/api prior to version 0.9.32 and @agenticmail/core prior to version 0.9.10 had weakness related to validation and and binding of inactive-agent hour filtering; storage SQL identifier validation; metadata-backed ownership checks for raw storage SQL; blocking direct storage metadata access through raw SQL; fail-closed outbound worker secret handling; SMTP envelope/header control-character validation before command construction; and TLS certificate verification as the default for MailSender with an explicit opt-out for local development. @agenticmail/api prior to version 0.9.32 and @agenticmail/core prior to version 0.9.10 are patched.
CVE-2026-47255
HIGHPre-NVD 8.28.2—Trending — 3 sources updated this week
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 8.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 92% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, secondary
8.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.2Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.2
- EG Score
- 8.2(medium)
- EG Risk
- 52(Track)EG Risk 52/100SSVC: 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 computedSeverity82% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 7.5%
- KEV
- Not listed
Published
May 29, 2026
Last Modified
July 23, 2026
Advisory Details (7)
Auto-updated Jul 20, 2026⚠️ Active exploitation confirmed. Patch available. Sources: github, github_commit.
github Patch Available
AgenticMail API/storage and outbound relay hardening fixes · Advisory · agenticmail/agenticmail · GitHub
https://github.com/agenticmail/agenticmail/security/advisories/GHSA-wjjv-3mj2-39hfgithub_commit Patch Available
commit 8cb053f2307d (agenticmail/agenticmail)
Patch available: agenticmail/agenticmail v0.9.74 (contains commit 8cb053f2307d)
https://github.com/agenticmail/agenticmail/commit/8cb053f2307dd77b7736ffa0d7df04b0ccc3272dgithub_commit Patch Available
commit 6c70c8254c90 (agenticmail/agenticmail)
Patch available: agenticmail/agenticmail v0.9.74 (contains commit 6c70c8254c90)
https://github.com/agenticmail/agenticmail/commit/6c70c8254c906f823392d7f5ccee88a5481e7731github_commit Patch Available
commit 234b811e426a (agenticmail/agenticmail)
Patch available: agenticmail/agenticmail v0.9.74 (contains commit 234b811e426a)
https://github.com/agenticmail/agenticmail/commit/234b811e426a0743170f3b10bc43419d64330155github_commit Patch Available
commit 1408de543fa3 (agenticmail/agenticmail)
Patch available: agenticmail/agenticmail v0.9.74 (contains commit 1408de543fa3)
https://github.com/agenticmail/agenticmail/commit/1408de543fa3577d8c2d4fdb289c75fe6faafac7generic
agenticmail/packages/core/src/mail/sender.ts at 7b9b05d973676e9f3d097c08b8e649f59bfc15d0 · agenticmail/agenticmail · GitHub
https://github.com/agenticmail/agenticmail/blob/7b9b05d973676e9f3d097c08b8e649f59bfc15d0/packages/core/src/mail/sender.ts#L33generic🔴 Active Exploitation
agenticmail/CHANGELOG.md at 7b9b05d973676e9f3d097c08b8e649f59bfc15d0 · agenticmail/agenticmail · GitHub
https://github.com/agenticmail/agenticmail/blob/7b9b05d973676e9f3d097c08b8e649f59bfc15d0/CHANGELOG.md?plain=1#L1842Vendor Advisories for CVE-2026-47255(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(2 across 1 ecosystem)
npm(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| @agenticmail/api | — | 0.9.32 | — |
| @agenticmail/core | — | 0.9.10 | — |
Weakness Classification(5)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 6× 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.
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 03:17 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-21 15:24 UTCEPSS rescore
- 2026-07-20 22:12 UTCEG score recompute▲ 8.20
- 2026-07-20 22:12 UTCMITRE cvelistV5CVSS v3 → 8.2
- 2026-06-14 23:18 UTCEPSS rescore
- 2026-06-13 23:00 UTCEPSS rescore
- 2026-06-12 23:12 UTCEPSS rescore
- 2026-05-29 20:21 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-47255?
CVE-2026-47255 is a high vulnerability published on May 29, 2026. AgenticMail gives AI agents real email addresses and phone numbers. @agenticmail/api prior to version 0.9.32 and @agenticmail/core prior to version 0.9.10 had weakness related to validation and and binding of inactive-agent hour filtering; storage SQL identifier validation; metadata-backed…
When was CVE-2026-47255 disclosed?
CVE-2026-47255 was first published in the National Vulnerability Database on May 29, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47255 actively exploited?
CVE-2026-47255 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-47255?
CVE-2026-47255 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-47255?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47255, 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.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-47255
Is Your Infrastructure Affected by CVE-2026-47255?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.