CVE-2025-57800

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 73% 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
Elevated
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

Audiobookshelf is an open-source self-hosted audiobook server. In versions 2.6.0 through 2.26.3, the application does not properly restrict redirect callback URLs during OIDC authentication. An attacker can craft a login link that causes Audiobookshelf to store an arbitrary callback in a cookie, which is later used to redirect the user after authentication. The server then issues a 302 redirect to the attacker-controlled URL, appending sensitive OIDC tokens as query parameters. This allows an attacker to obtain the victim's tokens and perform full account takeover, including creating persistent admin users if the victim is an administrator. Tokens are further leaked via browser history, Referer headers, and server logs. This vulnerability impacts all Audiobookshelf deployments using OIDC; no IdP misconfiguration is required. The issue is fixed in version 2.28.0. No known workarounds exist.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
—
EPSS
35.1%
KEV
Not listed

Published

August 22, 2025

Last Modified

August 26, 2025

References (2)

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 41× 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 14:08 UTCEPSS rescore
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
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  14. 2026-07-13 22:29 UTCEPSS rescore
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  17. 2026-07-12 05:46 UTCEPSS rescore
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  20. 2026-07-09 19:09 UTCEPSS rescore
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  23. 2026-07-06 16:27 UTCEPSS rescore
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  25. 2026-07-06 16:11 UTCOSV refresh
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  1. 2026-07-06 02:23 UTCEPSS rescore
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  5. 2026-07-02 17:01 UTCEPSS rescore
  6. 2026-07-01 15:06 UTCEPSS rescore
  7. 2026-06-30 23:22 UTCEPSS rescore
  8. 2026-06-28 14:07 UTCEPSS rescore
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  10. 2026-06-28 04:55 UTCEPSS rescore
  11. 2026-06-27 03:08 UTCEPSS rescore
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  13. 2026-06-25 13:49 UTCEPSS rescore
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  18. 2026-06-21 14:56 UTCEPSS rescore
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  20. 2026-06-21 01:59 UTCEPSS rescore
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  22. 2026-06-19 19:25 UTCEPSS rescore
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  24. 2026-06-18 17:52 UTCEPSS rescore
  25. 2026-06-18 17:52 UTCEPSS rescore
  26. 2026-06-18 04:35 UTCOSV refresh
  27. 2026-06-17 17:52 UTCEPSS rescore
  28. 2026-06-16 17:52 UTCEPSS rescore
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  30. 2026-06-15 17:48 UTCEPSS rescore
  31. 2026-06-14 23:17 UTCEPSS rescore
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  40. 2026-06-08 14:16 UTCEPSS rescore
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  42. 2026-06-07 15:24 UTCEPSS rescore
  43. 2026-06-07 15:24 UTCEPSS rescore
  44. 2026-06-06 13:47 UTCEPSS rescore
  45. 2026-06-06 13:47 UTCEPSS rescore
  46. 2026-06-05 22:46 UTCEPSS rescore
  47. 2026-06-05 22:46 UTCEPSS rescore
  48. 2026-06-05 06:10 UTCEPSS rescore
  49. 2026-06-05 06:10 UTCEPSS rescore
  50. 2026-06-04 13:12 UTCEPSS rescore
  51. 2026-06-04 13:12 UTCEPSS rescore
  52. 2026-06-02 20:12 UTCEPSS rescore
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  54. 2026-06-01 13:51 UTCEPSS rescore
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  56. 2026-05-31 22:30 UTCEPSS rescore
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  58. 2026-05-31 00:16 UTCEPSS rescore
  59. 2026-05-31 00:16 UTCEPSS rescore
  60. 2026-05-29 23:58 UTCEG score recompute
  61. 2026-05-29 13:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-57800?
CVE-2025-57800 is a high vulnerability published on August 22, 2025. Audiobookshelf is an open-source self-hosted audiobook server. In versions 2.6.0 through 2.26.3, the application does not properly restrict redirect callback URLs during OIDC authentication. An attacker can craft a login link that causes Audiobookshelf to store an arbitrary callback in a cookie,…
When was CVE-2025-57800 disclosed?
CVE-2025-57800 was first published in the National Vulnerability Database on August 22, 2025, with the most recent update on August 26, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-57800 actively exploited?
CVE-2025-57800 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-57800?
CVE-2025-57800 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2025-57800?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-57800, 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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