CVE-2026-45296

HIGHPre-NVD 7.77.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.7 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 86% 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: cna:github_m, epss
7.7
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.7Exploit: NoneExposed: 0

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

OpenReplay is a self-hosted session replay suite. Prior to 1.26.0, OpenReplay's Python API exposes several app_apikey routes that trust a caller-provided projectKey after validating only that the API key itself is valid and that the target projectKey exists. The authorization flow does not verify that the authenticated API key and the requested project belong to the same tenant. Because the public tracker design exposes projectKey to browser-side code, an attacker who owns any valid API key for their own tenant can target another tenant's project by reusing that public projectKey. The vulnerable routes allow the attacker to enumerate victim user sessions and then retrieve sensitive session event data across the tenant boundary. This vulnerability is fixed in 1.26.0.

CVSS v3
7.7
EG Score
7.7(medium)
EPSS
13.9%
KEV
Not listed

Published

May 28, 2026

Last Modified

May 30, 2026

Advisory Details (1)

Auto-updated May 28, 2026
Patch available. Sources: github.
github Patch Available

Cross-tenant information disclosure in app_apikey projectKey routes via missing tenant binding · Advisory · openreplay/openreplay · GitHub

https://github.com/openreplay/openreplay/security/advisories/GHSA-8wmc-vpmf-cjf5

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 55× 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 112 total refreshes for this CVE.

  1. 2026-07-16 17:03 UTCEPSS rescore
  2. 2026-07-16 02:54 UTCEG score recompute
  3. 2026-07-15 16:57 UTCEPSS rescore
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  1. 2026-06-29 14:06 UTCEPSS rescore
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  8. 2026-06-27 18:35 UTCEG score recompute
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  26. 2026-06-18 17:52 UTCEPSS rescore
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  35. 2026-06-15 13:39 UTCEG score recompute
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  40. 2026-06-12 23:12 UTCEPSS rescore
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  42. 2026-06-12 21:05 UTCEG score recompute
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  45. 2026-06-11 14:00 UTCEPSS rescore
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  47. 2026-06-10 22:18 UTCEPSS rescore
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  54. 2026-06-08 14:17 UTCEPSS rescore
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  62. 2026-06-06 13:47 UTCEPSS rescore
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  65. 2026-06-05 22:47 UTCEPSS rescore
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  70. 2026-06-04 19:28 UTCEG score recompute
  71. 2026-06-04 13:12 UTCEPSS rescore
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  73. 2026-06-04 06:34 UTCEG score recompute
  74. 2026-06-03 17:39 UTCEG score recompute
  75. 2026-06-03 04:44 UTCEG score recompute

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Frequently asked(5)

What is CVE-2026-45296?
CVE-2026-45296 is a high vulnerability published on May 28, 2026. OpenReplay is a self-hosted session replay suite. Prior to 1.26.0, OpenReplay's Python API exposes several app_apikey routes that trust a caller-provided projectKey after validating only that the API key itself is valid and that the target projectKey exists. The authorization flow does not verify…
When was CVE-2026-45296 disclosed?
CVE-2026-45296 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on May 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45296 actively exploited?
CVE-2026-45296 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-45296?
CVE-2026-45296 has a CVSS v4.0 base score of 7.7 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-45296?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45296, 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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