CVE-2008-2666

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 14%CVSS: —Exploit: NoneExposed: 0

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

Multiple directory traversal vulnerabilities in PHP 5.2.6 and earlier allow context-dependent attackers to bypass safe_mode restrictions by creating a subdirectory named http: and then placing ../ (dot dot slash) sequences in an http URL argument to the (1) chdir or (2) ftok function.

CVSS v3
—
EG Score
0.0(none)
EPSS
96.1%
KEV
Not listed

Published

June 20, 2008

Last Modified

April 23, 2026

References (34)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 39× 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. 2026-07-11 08:22 UTCEPSS rescore
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  1. 2026-06-21 01:56 UTCEPSS rescore
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  36. 2026-05-30 21:22 UTCEG score recompute
  37. 2026-05-30 21:22 UTCGHSA enrichment
  38. 2026-05-29 13:40 UTCEPSS rescore
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  44. 2026-05-26 13:41 UTCEPSS rescore
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  46. 2026-05-26 07:16 UTCEPSS rescore
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  48. 2026-05-24 16:43 UTCEPSS rescore
  49. 2026-05-22 21:15 UTCEPSS rescore
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  51. 2026-05-20 22:37 UTCEPSS rescore
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  53. 2026-05-20 11:20 UTCEPSS rescore
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  55. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-31937✓ verified
    First seen Jun 18, 2008

    PHP 5.2.6 - 'chdir()' Function http URL Argument Safe_mode Restriction Bypass

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2008-2666?
CVE-2008-2666 is a none vulnerability published on June 20, 2008. Multiple directory traversal vulnerabilities in PHP 5.2.6 and earlier allow context-dependent attackers to bypass safe_mode restrictions by creating a subdirectory named http: and then placing ../ (dot dot slash) sequences in an http URL argument to the (1) chdir or (2) ftok function.
When was CVE-2008-2666 disclosed?
CVE-2008-2666 was first published in the National Vulnerability Database on June 20, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-2666 actively exploited?
CVE-2008-2666 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2008-2666?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-2666, 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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