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CVE-2026-5081

Apache::Session::Generate::ModUniqueId versions from 1.54 through 1.94 for Perl session ids are insecure. Apache::Session::Generate::ModUniqueId (added in version 1.54) uses the value of the UNIQUE_ID environment variable for the session id. The UNIQUE_ID variable is set by the Apache mod_unique_id plugin, which generates unique ids for the request. The id is based on the IPv4 address, the process id, the epoch time, a 16-bit counter and a thread index, with no obfuscation. The server IP is of
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a79baae4382619ce9a86b0753819d3674410e10de40687eb3c286da65fe8488a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"unaffected","packageName":"perl","product":"Red Hat Hardened Images","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/affected/0

{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"Apache-Session","product":"Apache::Session::Generate::ModUniqueId","programFiles":["lib/Session/Generate/ModUniqueId.pm"],"programRoutines":[{"name":"Apache::Session::Generate::ModUniqueId::generate_id"}],"repo":"http://github.com/chorny/Apache-Session","vendor":"CHORNY","versions":[{"lessThanOrEqual":"1.94","status":"affected","version":"1.54","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/cna/affected/0
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/0/metrics/0/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-341","description":"Predictable from Observable State","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/problemTypes/0/descriptions/0

{"cweId":"CWE-340","description":"CWE-340 Generation of Predictable Numbers or Identifiers","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

2 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"unaffected","packageName":"perl","product":"Red Hat Hardened Images","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/affected/0
{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"Apache-Session","product":"Apache::Session::Generate::ModUniqueId","programFiles":["lib/Session/Generate/ModUniqueId.pm"],"programRoutines":[{"name":"Apache::Session::Generate::ModUniqueId::generate_id"}],"repo":"http://github.com/chorny/Apache-Session","vendor":"CHORNY","versions":[{"lessThanOrEqual":"1.94","status":"affected","version":"1.54","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-341","description":"Predictable from Observable State","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/problemTypes/0/descriptions/0
{"cweId":"CWE-340","description":"CWE-340 Generation of Predictable Numbers or Identifiers","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/05/06/6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/1/references/0
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-5081"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/references/0
{"name":"RHBZ#2467174","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2467174"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/references/1
{"tags":["technical-description"],"url":"https://httpd.apache.org/docs/current/mod/mod_unique_id.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/cna/references/0
{"url":"https://metacpan.org/pod/Apache::Session::Generate::Random"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/cna/references/1
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5081.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f7341e1d29f0dbffb5e0125a3f4a18d613603051f3d2d31b0c860f75d729f09c · sha256:a894cc2a9ee61183… · /containers/adp/2/references/2

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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