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CVE-2026-65061

Data::ReqRep::Shared versions before 0.05 for Perl create a world-readable mmap backing file and open it without O_EXCL or O_NOFOLLOW. The segment is created in reqrep.h with open(path, O_RDWR | O_CREAT, 0666), for both the request-reply and the integer-variant segments. The mode is 0666, so under the default umask 022 the file is created mode 0644 (world-readable). O_NOFOLLOW is absent, so a symlink planted at the path is followed, and O_EXCL is absent, so the open silently uses a pre-planted
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:21873b1e315824e1a54e12c512cb0e347a25482c499bc1a46ce208b9ebaf79c7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-732","description":"CWE-732 Incorrect Permission Assignment for Critical Resource","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","packageName":"Data-ReqRep-Shared","product":"Data::ReqRep::Shared","programFiles":["reqrep.h"],"repo":"https://github.com/vividsnow/perl5-data-reqrep-shared","vendor":"EGOR","versions":[{"lessThan":"0.05","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":3.8,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-732","description":"CWE-732 Incorrect Permission Assignment for Critical Resource","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["release-notes"],"url":"https://metacpan.org/release/EGOR/Data-ReqRep-Shared-0.05/changes"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /containers/cna/references/1
{"url":"https://metacpan.org/release/EGOR/Data-ReqRep-Shared-0.05/diff/EGOR/Data-ReqRep-Shared-0.04#reqrep.h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b989e0707f67fca6bb7f6cb91c2c0531d404b70631da4d0037b378e48b7f9475 · sha256:1247edf8aba1f008… · /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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