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CVE-2026-25704

A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in  cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic. This issue affects cosmic-greeter before https://github.Com/pop-os/cosmic-greeter/pull/426.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ed026f69b6b41e7630a5d1355628f4e4fdda0fda8716badbdd27efcf15ad979d
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-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-271","description":"CWE-271: Privilege Dropping / Lowering Errors","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageName":"cosmic-greeter","product":"cosmic-greeter","vendor":"pop-os","versions":[{"lessThan":"https://github.com/pop-os/cosmic-greeter/pull/426","status":"affected","version":"?","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":5.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-271","description":"CWE-271: Privilege Dropping / Lowering Errors","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/04/16/3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /containers/adp/1/references/0
{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-25704"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d71b8675ae7e2c9fc8af15a5a59b97e9589a77374e90cee25ab7cb35baba48ee · sha256:bae7ba0ed5dbf686… · /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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