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CVE-2026-55578

Pheditor is a single-file editor and file manager written in PHP. From version 2.0.1 to before version 2.0.6, the terminal feature in Pheditor uses an incomplete character blocklist to sanitize user-supplied commands before passing them to shell_exec(). After the fix for GHSA-9643-6xjp-vx57 (which added $ to the blocklist), the characters | (single pipe), ` (backtick), and the newline byte (0x0A) remain unblocked. An authenticated user with the terminal permission (enabled by default) can levera
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:33802d023c71567e9b41957e4f9cc87b4e881a5da379f062a80f8c8817844087
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"pheditor","vendor":"pheditor","versions":[{"status":"affected","version":">= 2.0.1, < 2.0.6"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:44044e26cf018a0b1d221b658b15a40307936a2dc855219cc68c2ded5f0e6415 · sha256:9ef3682e1a1e9e8b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:44044e26cf018a0b1d221b658b15a40307936a2dc855219cc68c2ded5f0e6415 · sha256:9ef3682e1a1e9e8b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:44044e26cf018a0b1d221b658b15a40307936a2dc855219cc68c2ded5f0e6415 · sha256:9ef3682e1a1e9e8b… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/advisories/GHSA-9643-6xjp-vx57","tags":["x_refsource_MISC"],"url":"https://github.com/advisories/GHSA-9643-6xjp-vx57"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:44044e26cf018a0b1d221b658b15a40307936a2dc855219cc68c2ded5f0e6415 · sha256:9ef3682e1a1e9e8b… · /containers/cna/references/1
{"name":"https://github.com/pheditor/pheditor/releases/tag/2.0.6","tags":["x_refsource_MISC"],"url":"https://github.com/pheditor/pheditor/releases/tag/2.0.6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:44044e26cf018a0b1d221b658b15a40307936a2dc855219cc68c2ded5f0e6415 · sha256:9ef3682e1a1e9e8b… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/pheditor/pheditor/security/advisories/GHSA-wg4w-wr5q-6vjc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:44044e26cf018a0b1d221b658b15a40307936a2dc855219cc68c2ded5f0e6415 · sha256:9ef3682e1a1e9e8b… · /containers/adp/0/references/0
{"name":"https://github.com/pheditor/pheditor/security/advisories/GHSA-wg4w-wr5q-6vjc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pheditor/pheditor/security/advisories/GHSA-wg4w-wr5q-6vjc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:44044e26cf018a0b1d221b658b15a40307936a2dc855219cc68c2ded5f0e6415 · sha256:9ef3682e1a1e9e8b… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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