CVE-2024-39315

MEDIUMNVD 5.75.7—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.7 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 37% 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, nvd
5.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.7Exploit: NoneExposed: 0

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

Pomerium is an identity and context-aware access proxy. Prior to version 0.26.1, the Pomerium user info page (at /.pomerium) unintentionally included serialized OAuth2 access and ID tokens from the logged-in user's session. These tokens are not intended to be exposed to end users. This issue may be more severe in the presence of a cross-site scripting vulnerability in an upstream application proxied through Pomerium. If an attacker could insert a malicious script onto a web page proxied through Pomerium, that script could access these tokens by making a request to the /.pomerium endpoint. Upstream applications that authenticate only the ID token may be vulnerable to user impersonation using a token obtained in this manner. Note that an OAuth2 access token or ID token by itself is not sufficient to hijack a user's Pomerium session. Upstream applications should not be vulnerable to user impersonation via these tokens provided the application verifies the Pomerium JWT for each request, the connection between Pomerium and the application is secured by mTLS, or the connection between Pomerium and the application is otherwise secured at the network layer. The issue is patched in Pomerium v0.26.1. No known workarounds are available.

CVSS v3
5.7
EG Score
5.7(medium)
EG Risk
—
EPSS
34.0%
KEV
Not listed

Published

July 2, 2024

Last Modified

April 11, 2025

References (4)

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/pomerium/pomerium—0.26.1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 44× 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. 2026-07-22 14:07 UTCEPSS rescore
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  16. 2026-07-14 03:25 UTCOSV refresh
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  1. 2026-07-06 02:22 UTCEPSS rescore
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  41. 2026-06-08 14:16 UTCEPSS rescore
  42. 2026-06-08 14:11 UTCOSV refresh
  43. 2026-06-07 15:24 UTCEPSS rescore
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  45. 2026-06-06 13:46 UTCEPSS rescore
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  72. 2026-05-23 23:00 UTCEG score recompute

Frequently asked(5)

What is CVE-2024-39315?
CVE-2024-39315 is a medium vulnerability published on July 2, 2024. Pomerium is an identity and context-aware access proxy. Prior to version 0.26.1, the Pomerium user info page (at /.pomerium) unintentionally included serialized OAuth2 access and ID tokens from the logged-in user's session. These tokens are not intended to be exposed to end users. This issue may be…
When was CVE-2024-39315 disclosed?
CVE-2024-39315 was first published in the National Vulnerability Database on July 2, 2024, with the most recent update on April 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-39315 actively exploited?
CVE-2024-39315 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 34.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-39315?
CVE-2024-39315 has a CVSS v3 base score of 5.7 (NVD).
How do I remediate CVE-2024-39315?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-39315, 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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